Yep, we may get a tiny thank-you (read: commission) when you buy through
links on Techspotr — not enough for a yacht, but enough to keep the lights (and
servers) on.
Learn more
64
Highlights
86
Differences
6
Reactions
0
Likes
Blue Pure 121
vs
Blue Pure 211i Max:
64 Highlights & 86 Differences —
So, Which Air Purifier Actually Works Better
The Blue Pure 121 is a tall, straightforward purifier ideal for budget-conscious users. The 211i Max surprises with smart features and quieter operation—guess who wins?
Trying to decide between Blue Pure 121 and Blue Pure 211i Max? This air purifiers comparison covers features, design, and key auto dimming display, automatic mode, overheat protection & power surge protection buyers care about.
Blue Pure 121 vs Blue Pure 211i Max: A Head-to-Head Air Purifier Showdown
When considering an air purifier for your home or office, the Blue Pure 121 and Blue Pure 211i Max often come up as contenders within the same family of quality devices. Both models boast modern HEPA filtration technology, activated carbon filters, and a focus on clean air delivery, but they differ significantly in design, technology integration, and performance nuances. The Blue Pure 121 sports a taller tower-style configuration with straightforward controls and basic filtration, while the 211i Max takes a leap forward, offering an advanced four-stage filter system combined with smart sensors, app connectivity, and an ionizer for enhanced air quality management. In essence, one offers simplicity and solid performance, the other brings smart sophistication and noise-efficient operation.
Blue Pure 121: Reliable Air Purification With Essential Simplicity
The Blue Pure 121 embodies reliable, no-frills air purification designed for medium-sized rooms up to 620 square feet. Its tower form factor stretches up to 28.3 inches tall, and despite its heavier weight of 18.2 lbs, the compact 13-inch footprint makes it stable and space-conscious. The unit circulates air impressively with a CADR rating of 400 for smoke, pollen, and dust, achieving up to 5 air changes per hour with a maximum airflow of 440 CFM.
Inside, the filtration relies on a two-stage HEPASilent system featuring an H13 HEPA filter and activated carbon with 10 units of carbon material, effectively trapping 99.97% of airborne particles. The filter life is about 6 months and the unit includes a washable filter and a handy filter replacement tool, making upkeep user-friendly. Controls are accessible via physical buttons and touch sensors conveniently placed on the top panel, though it lacks a digital display and any form of air quality sensing or automation.
While its average noise level of 44 dB and 61W power consumption are moderate, power-efficient operation isn't its strongest suit. Safety features include a basic auto shutoff but omit overheat or tip-over protection found in more modern purifiers. Overall, the Blue Pure 121 is a sturdy, straightforward choice with materials designed to be durable, including a premium matte ABS plastic body with scratch resistance.
Blue Pure 211i Max: Smart Purification Packed with Modern Features
The Blue Pure 211i Max elevates air purification with a futuristic console-style design standing a compact 22.7 inches tall and weighing just 16.2 lbs. Its slightly larger footprint (14.4 x 14.4 inches) supports a room coverage of up to 674 square feet with a slightly improved CADR of 410 for smoke, pollen, and dust. The airflow provides just under 5 air changes per hour, enough to maintain clean, fresh air in larger spaces.
At the heart of the 211i Max is a sophisticated four-stage True HEPA filtration system featuring an H13 HEPA filter, activated carbon, and a unique ionizer function boosting particle capture and odor removal. Moreover, the filter's extended 9-month lifespan and washable capability reduce maintenance hassles. It has an energy rating of A++, consuming just 46W, which reflects its efficient design.
This purifier truly shines in its intelligent capabilities, integrating multiple sensors including air quality, dust, PM2.5, and PM10. These sensors enable real-time air quality displays via an LED screen on the front panel and allow the unit to adapt automatically to changing conditions, thanks to automatic mode with dynamic fan speed adjustment.
Control-wise, the 211i Max is designed for convenience with complete touchscreen control, a remote control, and full smartphone app integration supporting WiFi, Bluetooth, and voice assistants like Alexa and Google Assistant, plus IFTTT compatibility. You also get enhanced safety features including tip-over, overheat, and power surge protection along with power failure memory.
Its noise profile is notably quieter, ranging from 23 to 53 dB with a peaceful average of 40 dB on eco mode completing the package for noise-sensitive users. Maintenance is tool-free with front-loaded filters, though replacement costs are higher (~$45), reflecting the premium nature of its filter technology.
A Quick Summary
The Blue Pure 121 offers robust air cleaning for medium spaces with straightforward operation and a tall tower form, perfect for those who prioritize simplicity and affordability. On the other hand, the Blue Pure 211i Max dazzles with smart home compatibility, superior sensor technology, longer filter life, and quieter, energy-efficient performance suited for tech-savvy users seeking convenience and enhanced safety.
Closing recommendation: Which Should You Pick?
If you're on a budget and prefer a proven, easy-to-use air purifier focused on core filtration performance for standard room sizes, the Blue Pure 121 remains an excellent pick. Its reliable HEPA filtration and tall tower design fit well in offices, bedrooms, or living spaces where advanced automation isn't essential.
However, if you want cutting-edge technology with real-time sensing, app control, diverse fan modes including eco and sleep, plus improved safety and quieter operation, the Blue Pure 211i Max justifies its premium price tag by delivering superior convenience and cleaner air for larger areas. Find the best deal for the Blue Pure 211i Max online, currently priced around $349 at Amazon.
Verdict
Winner: Blue Pure 211i Max - For its advanced four-stage filtration, smart home integration, quieter operation, and comprehensive safety features making it a future-proof air quality solution.
Runner-up: Blue Pure 121 - A solid, budget-friendly air purifier offering effective HEPA filtration and ease of use for those who prefer simplicity over smart tech.
Side by side. The numbers. The features. No drama.
Whether you’re leaning toward Blue Pure 121 or tempted by Blue Pure 211i Max, this full air purifiers breakdown lays out their differences clearly. From highlights to hidden quirks, we’ve compared them all — so you don’t have to.
Recommended room size for Blue Pure 121 is 620 sq ft, while the 211i Max covers 674 sq ft, about 9% larger, better suited for slightly bigger living spaces or offices needing higher air purification capacity.
The ideal room area for optimal purification performance.
In the battle of Recommended Room Size,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
lower
54.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Recommended Room Size on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
The Blue Pure 121 uses a tower form factor, which is vertical and slim, while the 211i Max adopts a console form factor, typically wider and more stable, allowing placement flexibility suited for different room layouts.
The overall shape and layout of the device.
In the battle of Form Factor,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Form Factor on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Blue Pure 121 was released in 2019, while the Blue Pure 211i Max launched in 2023, reflecting four years of advancements in technology and features, making the 211i Max a more modern and upgraded choice.
The year the model was first released to market.
In the battle of Release Year,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Release Year on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Blue Pure 121 uses button controls only, offering basic operation, while 211i Max features both app and touch controls, enabling convenient remote and interactive user experiences via smartphones and direct touch.
The methods available to operate the device.
In the battle of Control Type,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Control Type on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
0
Blue Pure 211i Max
0Votes
Sand,Stockholm Fog,Moss,Limestone
vs
Color Options
Color options differ significantly; Blue Pure 121 offers two colors (Diva Blue, Dark Shadow), focusing on bold shades, whereas 211i Max provides four muted and trendy colors like Sand and Limestone, catering to more modern aesthetics and decor preferences.
Available color variations for this model.
In the battle of Color Options,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Color Options on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
The Blue Pure 121 lacks a display, making status monitoring less intuitive, whereas the 211i Max has an LED display for real-time info, helping users track air quality and settings easily which improves usability.
The kind of display interface provided.
In the battle of Display Type,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Display Type on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Intended Room Type
What room type is it intended for?
0
Blue Pure 121
0Votes
Bedroom, Living Room, Office, Nursery, Kitchen
0
Blue Pure 211i Max
0Votes
Bedroom, Living Room, Office
Blue Pure 121
Versatile for a variety of spaces, it can handle different room types, maintaining clean air in any area of your home.
Blue Pure 211i Max
Suitable for multiple room types, making it versatile for most spaces, including bedrooms and larger areas like living rooms.
Specifies what kind of room the air purifier is designed for.
In the battle of Intended Room Type,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Intended Room Type on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Model Name
What is the model name?
0
Blue Pure 121
0Votes
Blue Pure 121
0
Blue Pure 211i Max
0Votes
Blue Pure 211i Max
Blue Pure 211i Max
This is a premium air purifier designed for larger spaces with advanced features for smart home integration.
The official name or model identifier of the air purifier.
In the battle of Model Name,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Model Name on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Product Series
What is the product series?
0
Blue Pure 121
0Votes
121
0
Blue Pure 211i Max
0Votes
Blue Pure
Blue Pure 121
The Blue Pure 121 series focuses on delivering quiet, effective air purification for mid to large-sized spaces.
Indicates which product line or series the model belongs to.
In the battle of Product Series,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Product Series on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Technology Type
What technology does it use?
0
Blue Pure 121
0Votes
HEPA, Activated Carbon
0
Blue Pure 211i Max
0Votes
HEPA, Activated Carbon
Blue Pure 121
Utilizes HEPASilent technology and activated carbon filters for superior air purification, removing both particles and odors efficiently.
The primary purification technologies used by the unit.
In the battle of Technology Type,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Technology Type on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Design Style
What is the design style?
0
Blue Pure 121
0Votes
Modern
0
Blue Pure 211i Max
0Votes
Modern
Blue Pure 211i Max
The modern design fits well in contemporary interiors with a sleek, clean aesthetic.
The visual and structural style of the purifier’s exterior.
In the battle of Design Style,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Design Style on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Country Of Origin
What is the country of origin?
0
Blue Pure 121
0Votes
CN
0
Blue Pure 211i Max
0Votes
CN
Blue Pure 121
Manufactured in China, known for high-quality production standards.
The country where the product was manufactured.
In the battle of Country Of Origin,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Country Of Origin on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Model Type
What type of model is this?
0
Blue Pure 121
0Votes
Tower
0
Blue Pure 211i Max
0Votes
Console
The structural style or type of the air purifier.
In the battle of Model Type,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Model Type on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Weight-wise, Blue Pure 121 is heavier at 18.2 lbs (8.25 kg), which could affect portability, while 211i Max weighs 16.2 lbs (7.35 kg), slightly lighter for easier moving around rooms or between locations.
The total weight of the air purifier unit.
In the battle of Weight,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
higher
2.0 lbs
measurement.
Based on community votes for Weight,
Blue Pure 121 ◉ earned
0 votes,
less than
Blue Pure 211i Max ◉,
which got 1 votes.
Weight-wise, the Blue Pure 121 is heavier at 18.2 lbs vs 16.2 lbs for the 211i Max. I appreciate the lighter design of the 211i Max as it's easier to move around.
In dimensions, Blue Pure 121 is taller (28.3 inches) but narrower (13 inches width and depth) compared to the 211i Max's shorter height (22.7 inches) and larger footprint (14.4x14.4 inches), affecting footprint and placement options.
The horizontal measurement of the air purifier.
In the battle of Width,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
, delivering
lower
1.4 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Width on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Cord length differs hugely—Blue Pure 121 has a short 6 ft cord, limiting plug locations, while 211i Max boasts a long 67.7 ft (20.6 m) cord, maximizing placement flexibility even far from power outlets.
The length of the power cord attached to the purifier.
In the battle of Cord Length,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
lower
0.7 ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Cord Length on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Depth
What is the depth?
13
inch
0Votes
14.4
inch
0Votes
Blue Pure 121
Similar to the width, the depth is 33 cm, making this air purifier compact while still effective in large rooms.
Blue Pure 211i Max
Similar to its width, 14.4 inches (36.5 cm) depth helps maintain a compact profile while delivering powerful air purification.
The front-to-back measurement of the purifier.
In the battle of Depth,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
, delivering
lower
1.4 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Depth on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Height
What is the height?
28.3
inch
0Votes
22.7
inch
0Votes
Blue Pure 121
Stands 71.9 cm tall, offering a sleek vertical design that doesn’t take up too much floor space, but still purifies air efficiently.
Blue Pure 211i Max
57.6 cm tall, this size is about as tall as a typical small table lamp, making it suitable for most room heights.
The total vertical measurement from base to top.
In the battle of Height,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
, delivering
higher
5.6 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Height on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Package Width
What is the package width?
13
inch
0Votes
14.4
inch
0Votes
Blue Pure 121
Same as the purifier's width for easy storage, fitting neatly in the original packaging.
Blue Pure 211i Max
Same as product width, ensuring the box dimensions are appropriate for easy shipping and handling.
The width of the product packaging.
In the battle of Package Width,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
, delivering
lower
1.4 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Width on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Package Depth
What is the package depth?
13
inch
0Votes
14.4
inch
0Votes
Blue Pure 121
Matching the depth of the unit, ensuring the packaging is compact and easy to handle.
Blue Pure 211i Max
Matching the depth of the product, the packaging is designed to protect the unit during delivery.
The depth of the product packaging.
In the battle of Package Depth,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
, delivering
lower
1.4 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Depth on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Package Height
What is the package height?
28.3
inch
0Votes
22.7
inch
0Votes
Blue Pure 121
The package height is the same as the purifier itself, making it convenient to transport and store.
Blue Pure 211i Max
Packaging height matches the product, ensuring the unit fits securely inside for delivery.
The height of the product packaging.
In the battle of Package Height,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
higher
5.6 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Height on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Package Weight
What is the package weight?
18.2
lbs
0Votes
16.2
lbs
0Votes
Blue Pure 121
Same weight as the unit, making it an easy item to manage during shipping or handling.
Blue Pure 211i Max
The total package weight of 7.34 kg includes the unit and protective packaging materials.
The total shipping weight including packaging.
In the battle of Package Weight,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
higher
2.0 lbs
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Weight on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Base Diameter
What is the base diameter?
13
inch
0Votes
Who knows?
0Votes
Blue Pure 211i Max
(Help us out by suggesting one!)
Blue Pure 121
Features a base diameter of 33 cm, ensuring stable placement.
The circular base width for tower-style purifiers.
Don’t keep it to yourself — be the first to react and review the
Base Diameter on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
211i Max edges out slightly with a Clean Air Delivery Rate (CADR) of 410 cfm compared to Blue Pure 121's 400 cfm, indicating a marginal improvement in air cleaning speed for better air turnover.
Measures the total air cleaning rate in cubic feet per minute.
In the battle of Clean Air Delivery Rate,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
lower
10.0 cfm
measurement.
Don’t keep it to yourself — be the first to react and review the
Clean Air Delivery Rate on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Noise levels at the quietest setting show a notable difference: 121 runs at 31 dB, while 211i Max is quieter at 23 dB, making it a better option for noise-sensitive environments like bedrooms or nurseries.
Minimum operating noise level at lowest fan speed.
In the battle of Noise Level Min,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
higher
8.0 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Min on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Max noise levels for 121 hit 56 dB, louder than the 211i Max's 53 dB max noise, indicating 211i Max generally operates more quietly even at higher fan speeds, enhancing user comfort.
Maximum noise level at highest fan speed.
In the battle of Noise Level Max,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
higher
3.0 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Max on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Power consumption is lower in the 211i Max at 46 W compared to 61 W in the Blue Pure 121, promising more energy-efficient operation that could save on electricity bills over time.
Average electrical power used during operation.
In the battle of Power Consumption,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
higher
15.0 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Consumption on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Voltage differs: Blue Pure 121 uses standard 120 V common in North America, while 211i Max uses 220 V, which fits regions with higher voltage norms, affecting where each model can be used without adapters.
Electrical operating voltage required.
In the battle of Voltage,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
lower
100.0 Volt
measurement.
Don’t keep it to yourself — be the first to react and review the
Voltage on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Energy efficiency rating is upgraded in 211i Max as A++, better than 121's A+ rating, reflecting its improved eco-friendly and cost-saving electrical performance.
Efficiency classification for energy consumption.
In the battle of Energy Efficiency Rating,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Energy Efficiency Rating on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Operating temperature range expands significantly for 211i Max (-10 to 60°F) versus 121's narrower 32 to 104°F, suggesting 211i Max can handle colder environments efficiently, useful for diverse climates or basement use.
The recommended ambient temperature range for operation.
In the battle of Operating Temperature Range,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Operating Temperature Range on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
211i Max has a higher operating humidity tolerance at 85% RH, compared to 121's 30-85% RH range, indicating it handles humid conditions more robustly for stable performance in moisture-prone spaces.
Acceptable relative humidity range for operation.
In the battle of Operating Humidity Range,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Operating Humidity Range on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Air Changes Per Hour
How many air changes per hour?
5
ACH
0Votes
4.8
ACH
1Votes
Blue Pure 121
Offers 5 air changes per hour, ensuring that the air is thoroughly purified multiple times in an hour for a consistently clean environment.
Blue Pure 211i Max
4.8 ACH is efficient for most medium to large rooms, ensuring the air is refreshed nearly five times per hour.
Number of complete air changes per hour.
In the battle of Air Changes Per Hour,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
, delivering
higher
0.2 ACH
measurement.
Based on community votes for Air Changes Per Hour,
Blue Pure 121 ◉ earned
0 votes,
less than
Blue Pure 211i Max ◉,
which got 1 votes.
The Blue Pure 121 covers 620 sq ft, which is decent, but the Blue Pure 211i Max's 674 sq ft coverage is a nice boost for larger rooms. I prefer the 211i Max for that extra space.
See more
CADR Smoke
What is the CADR for smoke?
400
cfm
0Votes
410
cfm
0Votes
Blue Pure 121
Provides 400 cfm of airflow for smoke particles, making it effective in homes with smokers or cooking odors.
Blue Pure 211i Max
Equal to the CADR for dust and pollen, indicating strong performance in smoke removal, a key benefit for urban environments.
Smoke-specific clean air delivery rate.
In the battle of CADR Smoke,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
lower
10.0 cfm
measurement.
Don’t keep it to yourself — be the first to react and review the
CADR Smoke on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
CADR Pollen
What is the CADR for pollen?
400
cfm
0Votes
410
cfm
0Votes
Blue Pure 121
With a pollen CADR of 400 cfm, it efficiently captures allergens like pollen, ideal for those with seasonal allergies.
Blue Pure 211i Max
Effective in removing airborne pollen, especially useful during allergy seasons.
Pollen-specific clean air delivery rate.
In the battle of CADR Pollen,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
lower
10.0 cfm
measurement.
Don’t keep it to yourself — be the first to react and review the
CADR Pollen on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
CADR Dust
What is the CADR for dust?
400
cfm
0Votes
410
cfm
0Votes
Blue Pure 121
Removes dust at a rate of 400 cfm, ensuring a clean environment for those sensitive to dust or pet dander.
Blue Pure 211i Max
The high dust CADR helps eliminate dust particles quickly, ideal for households with pets or in dusty areas.
Dust-specific clean air delivery rate.
In the battle of CADR Dust,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
lower
10.0 cfm
measurement.
Don’t keep it to yourself — be the first to react and review the
CADR Dust on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Coverage Area
What is the coverage area?
620
sq ft
0Votes
674
sq ft
0Votes
Blue Pure 121
Recommended for spaces up to 620 sq ft, ideal for medium to large rooms or open floor plans.
Blue Pure 211i Max
Ideal for rooms of around 62.6 m², this is perfect for bedrooms or medium-sized living rooms.
The total maximum area the purifier can effectively clean.
In the battle of Coverage Area,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
lower
54.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Coverage Area on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Airflow Direction Type
What is the airflow direction type?
0
Blue Pure 121
0Votes
Upward
0
Blue Pure 211i Max
0Votes
Upward
Blue Pure 121
Air is released in an upward direction, efficiently circulating the air through the room and improving air distribution.
Blue Pure 211i Max
Upward airflow is typical for air purifiers with a 360° intake and outflow system, optimizing air circulation.
The pattern or direction in which clean air is released.
In the battle of Airflow Direction Type,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Airflow Direction Type on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Maximum Coverage Area
What is the maximum coverage area?
620
sq ft
0Votes
3
sq ft
0Votes
Blue Pure 211i Max
This appears to be an error. Based on other information, the maximum coverage area should be listed as 3,000 sq ft (approx. 278.7 m²).
The largest possible area where the air purifier remains effective.
In the battle of Maximum Coverage Area,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
, delivering
higher
617.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Maximum Coverage Area on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Max Airflow
What is the maximum airflow rate?
440
cfm
0Votes
Who knows?
0Votes
Blue Pure 211i Max
(Help us out by suggesting one!)
Blue Pure 121
Max airflow of 440 cfm, providing even greater purification power for quick and effective air circulation.
Maximum airflow capacity of the unit.
Don’t keep it to yourself — be the first to react and review the
Max Airflow on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Noise Level Average
What is the average noise level?
44
dB
0Votes
40
dB
0Votes
Blue Pure 121
The average noise level of 44 dB provides a good balance between air purification and maintaining a peaceful environment.
Typical average noise during standard operation.
In the battle of Noise Level Average,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
higher
4.0 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Average on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Frequency
What is the operating frequency?
60
Hz
0Votes
Who knows?
0Votes
Blue Pure 211i Max
(Help us out by suggesting one!)
Blue Pure 121
Operates on 60 Hz frequency, which is standard for most household electrical systems in the U.S.
The electrical frequency of operation.
Don’t keep it to yourself — be the first to react and review the
Frequency on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Minimum Coverage Area
What is the minimum coverage area?
620
sq ft
0Votes
674
sq ft
0Votes
The smallest area recommended for optimal operation.
In the battle of Minimum Coverage Area,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
, delivering
lower
54.0 sq ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Minimum Coverage Area on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Filter life duration is longer in 211i Max at 9 months versus 6 months for Blue Pure 121, reducing maintenance frequency and ongoing cost for users who prefer low upkeep appliances.
Expected lifespan of the filter before replacement.
In the battle of Filter Life Duration,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
lower
3.0 month
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Life Duration on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Filter stages are doubled in 211i Max with 4 stages, while Blue Pure 121 only has 2, meaning 211i Max likely provides more thorough filtration, capturing a wider range of pollutants for cleaner air.
Total number of filtration stages used in the air cleaning process.
In the battle of Number Of Filter Stages,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Based on community votes for Number Of Filter Stages,
Blue Pure 121 ◉ earned
0 votes,
less than
Blue Pure 211i Max ◉,
which got 1 votes.
I like that the Blue Pure 121 has 2 filter stages while the 211i Max has 4, meaning it's got more thorough filtration. Makes me lean towards the 211i Max for cleaner air.
Ionizer function is absent in Blue Pure 121 but included in 211i Max, improving air purification by charging particles, thus enhancing removal of airborne pollutants; useful for enhanced air quality.
Generates negative ions to capture fine airborne particles.
In the battle of Ionizer Function,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Based on community votes for Ionizer Function,
Blue Pure 121 ◉ earned
0 votes,
less than
Blue Pure 211i Max ◉,
which got 1 votes.
Ionizer function is absent in the Blue Pure 121 but present in the 211i Max. This feature helps remove more particles and odors, so I'm going with the 211i Max for fresher air.
Primary filter type differs: Blue Pure 121 uses HEPASilent, a proprietary tech focusing on silent operation, while 211i Max offers True HEPA filters known for high-efficiency particle capture, ideal for allergy sufferers.
The main type of filter used to trap fine particles.
In the battle of Primary Filter Type,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Primary Filter Type on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Filter Replacement Indicator
Does it have a filter replacement indicator?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Blue Pure 121
The filter replacement indicator alerts you when it’s time to replace the filter, ensuring consistent performance.
Blue Pure 211i Max
The built-in filter replacement indicator makes maintenance easy, alerting you when the filter needs changing.
Alerts user when it’s time to replace filters.
In the battle of Filter Replacement Indicator,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Indicator on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Filter Washable
Are the filters washable?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Blue Pure 121
The pre-filter is washable, allowing for easier maintenance and prolonged filter life.
Blue Pure 211i Max
While the pre-filter is washable, the primary HEPA filter is not. Regular maintenance is needed to ensure longevity.
Indicates whether filters can be washed and reused.
In the battle of Filter Washable,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Washable on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Pre Filter Type
What is the pre-filter type?
0
Blue Pure 121
0Votes
Fabric
0
Blue Pure 211i Max
0Votes
Fabric
Blue Pure 121
The fabric pre-filter captures larger particles like dust and hair, extending the life of the primary HEPA filter.
The type of pre-filter that captures larger dust and hair.
In the battle of Pre Filter Type,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Pre Filter Type on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
HEPA Filter Grade
What is the HEPA filter grade?
0
Blue Pure 121
0Votes
H13
0
Blue Pure 211i Max
0Votes
H13
Blue Pure 121
The HEPA filter is rated H13, providing high filtration efficiency, suitable for those sensitive to allergens.
Indicates HEPA filter class and particle capture efficiency.
In the battle of HEPA Filter Grade,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
HEPA Filter Grade on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Carbon Filter Type
What is the carbon filter type?
0
Blue Pure 121
0Votes
Activated Carbon
0
Blue Pure 211i Max
0Votes
Activated Carbon
Blue Pure 121
The activated carbon filter absorbs odors, volatile organic compounds (VOCs), and smoke, improving air quality in kitchens and other odor-prone areas.
Type of carbon material used for odor and gas removal.
In the battle of Carbon Filter Type,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Carbon Filter Type on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Activated Carbon Amount
How much activated carbon does it have?
10
oz
0Votes
Who knows?
0Votes
Blue Pure 211i Max
(Help us out by suggesting one!)
Blue Pure 121
Contains 10 oz (283.5 g) of activated carbon, ensuring effective odor removal and filtration of harmful gases.
Total amount of activated carbon used in the filter.
Don’t keep it to yourself — be the first to react and review the
Activated Carbon Amount on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Filter Material Composition
What materials are used in the filter?
0
Blue Pure 121
0Votes
Fiberglass, Plastic, Activated Carbon
0
Blue Pure 211i Max
0Votes
Fiberglass, Plastic, Carbon Fiber
Blue Pure 121
Combines fiberglass, plastic, and activated carbon for a robust and effective filtration system.
Materials used in constructing the filter media.
In the battle of Filter Material Composition,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Material Composition on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Filter Efficiency Percentage
What is the filter efficiency percentage?
99.97
%
0Votes
99.97
%
0Votes
Blue Pure 121
With 99.97% filter efficiency, it captures the smallest particles, providing cleaner, fresher air.
Percentage of particles the filter can capture.
In the battle of Filter Efficiency Percentage,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
, delivering
equal
99.97 %
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Efficiency Percentage on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Filter Availability
Are replacement filters available?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Blue Pure 121
Replacement filters are easily available for purchase.
Indicates if replacement filters are easy to find on the market.
In the battle of Filter Availability,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Availability on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Filter Change Frequency
How often should filters be changed?
6
month
0Votes
9
month
0Votes
Blue Pure 121
Recommended to replace the filter every 6 months, based on average usage, to ensure optimal air quality.
Recommended frequency for changing filters.
In the battle of Filter Change Frequency,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
, delivering
lower
3.0 month
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Change Frequency on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Antibacterial Coating
Does it have antibacterial coating?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Indicates if the filter surface has antibacterial treatment.
In the battle of Antibacterial Coating,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Antibacterial Coating on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
UVC Light
Does it include UVC light?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Uses ultraviolet-C light to sterilize bacteria and viruses.
In the battle of UVC Light,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
UVC Light on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
PlasmaWave Similar Tech
Does it include PlasmaWave or similar tech?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Indicates if PlasmaWave or equivalent ionization technology is used.
In the battle of PlasmaWave Similar Tech,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
PlasmaWave Similar Tech on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Replacement Filter Model
What is the replacement filter model?
0
Blue Pure 121
0Votes
Blueair Blue Pure 121 Replacement Filter
Who knows?
0Votes
Blue Pure 211i Max
(Help us out by suggesting one!)
The model number or code for compatible replacement filters.
Don’t keep it to yourself — be the first to react and review the
Replacement Filter Model on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
211i Max includes an air quality sensor while Blue Pure 121 lacks one, enabling the 211i Max to monitor indoor air and adjust operation for optimal purification automatically, improving convenience and effectiveness.
Detects overall air quality and pollution level.
In the battle of Air Quality Sensor,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Air Quality Sensor on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Dust sensors are present in 211i Max but absent in Blue Pure 121, allowing the 211i Max to detect and respond to dust levels for more tailored air cleaning performance.
Detects airborne dust particles to optimize performance.
In the battle of Dust Sensor,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Dust Sensor on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
211i Max comes with auto-dimming display for comfortable viewing in various lighting, whereas Blue Pure 121 lacks any display, so it misses out on such user-friendly visual feedback.
Adjusts screen brightness automatically based on lighting.
In the battle of Auto Dimming Display,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Auto Dimming Display on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Automatic mode and fan speed adjustment are available in 211i Max, enabling the purifier to self-regulate airflow based on detected air quality, unlike Blue Pure 121 that requires manual control — great for hassle-free use.
Adjusts purification level automatically based on air quality.
In the battle of Automatic Mode,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Automatic Mode on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
The 211i Max has PM2.5 and PM10 particle sensors, which the Blue Pure 121 lacks, offering better detection of fine and coarse particulate pollution for users prioritizing detailed air quality monitoring.
Detects PM2.5 fine particles (2.5 microns and smaller).
In the battle of PM25 Sensor,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
PM25 Sensor on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Only 211i Max features a real-time air quality display, giving users immediate feedback on indoor air conditions — a helpful interactive feature missing in 121 for a more informed experience.
Displays air quality readings instantly on screen or app.
In the battle of Real Time Air Quality Display,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Real Time Air Quality Display on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
VOC Sensor
Does it have a VOC sensor?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Blue Pure 211i Max
This unit lacks a VOC (Volatile Organic Compound) sensor, which could limit its effectiveness against gases and chemicals.
Detects volatile organic compounds and harmful gases.
In the battle of VOC Sensor,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
VOC Sensor on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
CO2 Sensor
Does it include a CO2 sensor?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Blue Pure 211i Max
Lacks a CO2 sensor, which is generally not included in most air purifiers but could be useful for highly accurate air quality tracking.
Monitors carbon dioxide levels in the air.
In the battle of CO2 Sensor,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
CO2 Sensor on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Auto Fan Speed Adjustment
Does it support auto fan speed adjustment?
No
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Automatically changes fan speed based on sensor data.
In the battle of Auto Fan Speed Adjustment,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Auto Fan Speed Adjustment on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Odor Sensor
Does it have an odor sensor?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Detects unpleasant smells or chemical odors.
In the battle of Odor Sensor,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Odor Sensor on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
PM10 Sensor
Does it have a PM10 sensor?
No
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Detects coarse dust particles (10 microns and larger).
In the battle of PM10 Sensor,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
PM10 Sensor on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Temperature Sensor
Does it have a temperature sensor?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Measures ambient temperature for comfort optimization.
In the battle of Temperature Sensor,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Temperature Sensor on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Humidity Sensor
Does it include a humidity sensor?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Detects humidity level in the environment.
In the battle of Humidity Sensor,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Humidity Sensor on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Light Sensor
Does it have a light sensor?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Detects ambient light for automatic display dimming.
In the battle of Light Sensor,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Light Sensor on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Sensor Accuracy Rating
What is the sensor accuracy rating?
Who knows?
0Votes
Blue Pure 121
(Help us out by suggesting one!)
Who knows?
0Votes
Blue Pure 211i Max
(Help us out by suggesting one!)
Measures how accurate the sensors are at detecting pollutants.
Don’t keep it to yourself — be the first to react and review the
Sensor Accuracy Rating on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
211i Max offers remote control and mobile app control for convenient operation anywhere, while Blue Pure 121 relies solely on physical buttons, limiting mobility and remote smart interaction options.
Allows operation from a distance using a remote device.
In the battle of Remote Control,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Remote Control on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Timer and sleep mode are features exclusive to the 211i Max, helping users schedule operation and ensure quiet nighttime performance, improving user comfort and energy savings compared to the basic 121.
Lets users set specific operating durations.
In the battle of Timer Function,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Timer Function on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
211i Max adds child lock functionality, enhancing safety in homes with children to prevent accidental setting changes — an important feature absent in Blue Pure 121.
Prevents accidental operation by children.
In the battle of Child Lock,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Child Lock on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Control panel is located on top for Blue Pure 121, which suits tower designs, but 211i Max places it on the front for easier access and visibility in its console design, improving ergonomics.
Indicates where the main control panel is located.
In the battle of Control Panel Location,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Control Panel Location on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Touch Controls
Does it have touch controls?
Yes
0Votes
Blue Pure 121
Yes
1Votes
Blue Pure 211i Max
Allows operation via touch-sensitive interface.
In the battle of Touch Controls,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Based on community votes for Touch Controls,
Blue Pure 121 ◉ earned
0 votes,
less than
Blue Pure 211i Max ◉,
which got 1 votes.
The Blue Pure 121 has touch controls plus physical buttons, which some might prefer. But the 211i Max drops physical buttons for pure touch and app controls, so if you want smarter operation, it's the winner.
See more
Touch Sensitivity Level
What is the touch sensitivity level?
Who knows?
0Votes
Blue Pure 121
(Help us out by suggesting one!)
Who knows?
0Votes
Blue Pure 211i Max
(Help us out by suggesting one!)
Indicates how responsive the touch interface is.
Don’t keep it to yourself — be the first to react and review the
Touch Sensitivity Level on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Physical Buttons
Does it include physical buttons?
Yes
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Provides tactile buttons for basic operation.
In the battle of Physical Buttons,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Physical Buttons on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Mobile App Control
Can it be controlled through a mobile app?
No
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Enables control via smartphone application.
In the battle of Mobile App Control,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Mobile App Control on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Display Brightness Adjustment
Can the display brightness be adjusted?
No
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Allows users to adjust the display brightness manually.
In the battle of Display Brightness Adjustment,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Display Brightness Adjustment on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Sleep Mode
Does it feature a sleep mode?
No
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Operates quietly with dimmed display for sleeping.
In the battle of Sleep Mode,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Sleep Mode on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Filter Reset Button
Does it have a filter reset button?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Dedicated button to reset the filter indicator after replacement.
In the battle of Filter Reset Button,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Reset Button on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
WiFi Indicator Light
Does it have a WiFi indicator light?
No
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Shows WiFi connectivity status visually.
In the battle of WiFi Indicator Light,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
WiFi Indicator Light on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Error Indicator Light
Does it include an error indicator light?
No
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Displays warnings for operational issues or errors.
In the battle of Error Indicator Light,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Error Indicator Light on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Fan & Operation Modes
10
Fan Speed Levels
What fan speed levels are available?
0
Blue Pure 121
0Votes
Low, Medium, High
0
Blue Pure 211i Max
0Votes
Low, Medium, High, Auto
Lists the available fan speed levels or names.
In the battle of Fan Speed Levels,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Fan Speed Levels on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Maximum Fan Speed
What is the maximum fan speed?
440
rpm
0Votes
Who knows?
0Votes
Blue Pure 211i Max
(Help us out by suggesting one!)
Maximum fan rotation speed when operating at full power.
Don’t keep it to yourself — be the first to react and review the
Maximum Fan Speed on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Minimum Fan Speed
What is the minimum fan speed?
200
rpm
0Votes
Who knows?
0Votes
Blue Pure 211i Max
(Help us out by suggesting one!)
Lowest rotation speed for quiet or energy-saving mode.
Don’t keep it to yourself — be the first to react and review the
Minimum Fan Speed on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Turbo Mode
Does it include a turbo mode?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
High-power mode for rapid air purification.
In the battle of Turbo Mode,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Turbo Mode on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Eco Mode
Does it have an eco mode?
No
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Energy-saving mode that reduces power usage.
In the battle of Eco Mode,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Eco Mode on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Sleep Quiet Mode
Does it feature a sleep or quiet mode?
No
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Minimizes noise and display brightness for nighttime use.
In the battle of Sleep Quiet Mode,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Sleep Quiet Mode on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Manual Mode
Does it include manual mode?
No
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Allows manual fan speed and mode selection by the user.
In the battle of Manual Mode,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Manual Mode on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Custom Mode
Does it support a custom mode?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Lets users set personalized mode settings or schedules.
In the battle of Custom Mode,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Custom Mode on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Oscillation
Does it feature oscillation?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Rotates or swings to distribute air evenly across a room.
In the battle of Oscillation,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Oscillation on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Airflow Direction Control
Can you control the airflow direction?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Allows users to adjust the direction of purified airflow.
In the battle of Airflow Direction Control,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Airflow Direction Control on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Fuse type varies: Blue Pure 121 uses a resettable fuse allowing manual reset after an electrical fault, while 211i Max has a thermal fuse, which can provide faster internal protection and safety.
Identifies the type of fuse used for electrical safety.
In the battle of Fuse Type,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Fuse Type on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Safety protections like overheat and tipover protection come with 211i Max but not with the Blue Pure 121, making the 211i Max a safer option for families and highly cautious users.
Prevents damage by automatically shutting down when overheating.
In the battle of Overheat Protection,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Based on community votes for Overheat Protection,
Blue Pure 121 ◉ earned
0 votes,
less than
Blue Pure 211i Max ◉,
which got 1 votes.
I feel safer knowing the Blue Pure 211i Max has overheat protection, something the 121 lacks. Safety is a big deal to me, so the 211i Max is my pick here.
Power surge protection is featured in the 211i Max, shielding the purifier from electrical spikes and increasing durability—missing in Blue Pure 121, potentially affecting long-term reliability.
Protects internal components from voltage spikes.
In the battle of Power Surge Protection,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Surge Protection on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Power failure memory is present in 211i Max, meaning it can resume previous settings after power loss, unlike Blue Pure 121, benefiting users who want seamless automatic restart.
Remembers last settings after a power outage.
In the battle of Power Failure Memory,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Failure Memory on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Electrical protection rating improves from IP20 in Blue Pure 121 to IP50 in 211i Max, indicating better dust and particle protection, which enhances durability in varied environments.
Indicates protection level against dust or electrical contact.
In the battle of Electrical Protection Rating,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Electrical Protection Rating on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Tipover Protection
Does it include tipover protection?
No
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Shuts off the device automatically if it tips over.
In the battle of Tipover Protection,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Tipover Protection on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Safety Auto Shutoff
Does it feature safety auto shutoff?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Automatically turns off under unsafe or fault conditions.
In the battle of Safety Auto Shutoff,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Safety Auto Shutoff on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
UV Safety Shield
Does it include a UV safety shield?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Shields users from direct UV light exposure in UV-enabled models.
In the battle of UV Safety Shield,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
UV Safety Shield on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Ozone Emission Safe
Is it ozone emission safe?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Ensures ozone emissions remain within safe levels.
In the battle of Ozone Emission Safe,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Ozone Emission Safe on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Finish texture changes from matte in the Blue Pure 121 to glossy in the 211i Max, giving the latter a shinier, more contemporary look that may appeal to users desiring stylish appliances.
Describes the surface finish of the air purifier.
In the battle of Finish Texture,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Finish Texture on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Body Material
What material is the purifier body made of?
0
Blue Pure 121
0Votes
ABS Plastic
0
Blue Pure 211i Max
0Votes
ABS Plastic
Describes the main material used for the purifier body.
In the battle of Body Material,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Body Material on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Filter Frame Material
What is the filter frame material?
0
Blue Pure 121
0Votes
Plastic
0
Blue Pure 211i Max
0Votes
Plastic
Indicates the material used for the filter housing or frame.
In the battle of Filter Frame Material,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Frame Material on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Build Type
What is the build type?
0
Blue Pure 121
0Votes
Fixed
0
Blue Pure 211i Max
0Votes
Fixed
Defines the overall design structure of the purifier.
In the battle of Build Type,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Build Type on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Build Quality Grade
What is the build quality grade?
0
Blue Pure 121
0Votes
Premium
0
Blue Pure 211i Max
0Votes
Premium
Indicates the overall craftsmanship and material precision.
In the battle of Build Quality Grade,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Build Quality Grade on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Scratch Resistance
Is the purifier scratch resistant?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Indicates resistance of the body surface to scratches.
In the battle of Scratch Resistance,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Scratch Resistance on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Portability Handles Wheels
Does it have handles or wheels for portability?
No
0Votes
Blue Pure 121
No
0Votes
Blue Pure 211i Max
Indicates presence of handles or wheels for easier movement.
In the battle of Portability Handles Wheels,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Portability Handles Wheels on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Blue Pure 121 includes cleaning tools for maintenance, enhancing user convenience. In contrast, 211i Max does not, which may require users to source cleaning accessories separately.
Specifies if cleaning accessories are provided with the unit.
In the battle of Cleaning Tools,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Cleaning Tools on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Who knows?
0Votes
Blue Pure 121
(Help us out by suggesting one!)
0
Blue Pure 211i Max
0Votes
$45
vs
Filter Replacement Cost Estimate
Filter replacement cost estimate is about $45 for the 211i Max, while not stated for Blue Pure 121, giving buyers a clearer idea of ongoing expenses when choosing the 211i Max.
Approximate cost for standard replacement filters.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Cost Estimate on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Filter Replacement Method
What is the filter replacement method?
0
Blue Pure 121
0Votes
Slide Out
0
Blue Pure 211i Max
0Votes
Slide Out
Describes how the filter can be removed and replaced.
In the battle of Filter Replacement Method,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Method on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Ease Of Access
How is the ease of access for cleaning or filter changes?
0
Blue Pure 121
0Votes
Front Access
0
Blue Pure 211i Max
0Votes
Front Access
Indicates how easily users can reach filters and components.
In the battle of Ease Of Access,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Ease Of Access on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Tool Free Maintenance
Is maintenance tool free?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Allows maintenance without using additional tools.
In the battle of Tool Free Maintenance,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Tool Free Maintenance on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Cleaning Frequency
How often should it be cleaned?
30
days
0Votes
30
days
0Votes
Recommended frequency of cleaning for optimal performance.
In the battle of Cleaning Frequency,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
, delivering
equal
30.00 days
measurement.
Don’t keep it to yourself — be the first to react and review the
Cleaning Frequency on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Maintenance Indicator
Does it have a maintenance indicator?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Alerts when maintenance or cleaning is needed.
In the battle of Maintenance Indicator,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Maintenance Indicator on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Maintenance Frequency Reminder
Does it include a maintenance frequency reminder?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Provides reminders for regular filter replacement or cleaning.
In the battle of Maintenance Frequency Reminder,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Maintenance Frequency Reminder on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
WiFi connectivity is supported by the 211i Max, enabling smart home integration and remote control, unlike Blue Pure 121 which lacks any connectivity, making the 211i Max more suitable for smart home users.
Indicates if the air purifier can connect to WiFi for app or remote control.
In the battle of WiFi Connectivity,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
WiFi Connectivity on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
App integration exists for the 211i Max, enabling users to operate and monitor air quality via a mobile app, unlike the basic physical-only controls of Blue Pure 121.
Integrates with manufacturer or third-party mobile applications.
In the battle of App Integration,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
App Integration on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Bluetooth connectivity is present only in 211i Max, providing additional wireless control options not available in Blue Pure 121, enhancing user convenience through device pairing.
Allows wireless connection via Bluetooth for setup or local control.
In the battle of Bluetooth Connectivity,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Bluetooth Connectivity on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
211i Max supports IFTTT and smart home integration, allowing automation and interaction with other smart devices, positioning it as a smart air purifier option compared to the standalone Blue Pure 121.
Integrates with automation platforms like IFTTT or smart home hubs.
In the battle of IFTTT Or Smart Home Integration,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
IFTTT Or Smart Home Integration on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Cloud connectivity in 211i Max allows data syncing and remote access from anywhere, a modern feature absent from Blue Pure 121, thereby appealing to tech-savvy consumers.
Connects to cloud services for remote access and data sync.
In the battle of Cloud Connectivity,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Cloud Connectivity on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Firmware update capability in 211i Max keeps the device up to date with improvements and new features, which Blue Pure 121 lacks, ensuring the 211i Max remains technologically current.
Allows over-the-air firmware updates for new features or bug fixes.
In the battle of Firmware Update Capability,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Firmware Update Capability on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Multi-device sync is available in 211i Max, allowing control of multiple purifiers via one app interface, ideal for larger homes or offices, unlike single standalone Blue Pure 121.
Synchronizes multiple purifiers or devices under one control.
In the battle of Multi-Device Sync,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Multi-Device Sync on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Data logging features in 211i Max help users track historical air quality and usage trends for informed decisions, a capability missing in Blue Pure 121.
Logs air quality, usage, and performance data for analysis.
In the battle of Data Logging,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Data Logging on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Usage history is recorded by 211i Max, providing insights into purifier operation over time to optimize maintenance and performance, unlike the Blue Pure 121's limited basic usability.
Records previous usage patterns and air quality stats.
In the battle of Usage History,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Usage History on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Voice Assistant Compatibility
Which voice assistants is it compatible with?
0
Blue Pure 121
0Votes
Alexa, Google Assistant
0
Blue Pure 211i Max
0Votes
Alexa, Google Assistant
Blue Pure 121
Compatible with voice assistants like Alexa and Google Assistant for convenient voice commands.
Blue Pure 211i Max
Compatible with Alexa and Google Assistant, enabling voice control for added ease of use.
Specifies which voice assistants are supported.
In the battle of Voice Assistant Compatibility,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Voice Assistant Compatibility on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Offline Mode
Does it have an offline mode?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Operates fully even without an internet connection.
In the battle of Offline Mode,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Offline Mode on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Remote Start Stop
Can it be started or stopped remotely?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Enables turning the purifier on or off remotely via app or voice.
In the battle of Remote Start Stop,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Remote Start Stop on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Noise level in eco mode is quieter on the 211i Max at 23 dB compared to 31 dB for the 121, making the 211i Max the better choice for noise-sensitive settings when running energy-saving modes.
Noise level during eco or low power mode.
In the battle of Noise Eco Mode,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
, delivering
higher
8.0 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Eco Mode on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Eco Friendly Materials
Are eco-friendly materials used?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Blue Pure 121
Made from eco-friendly materials, including recyclable plastic and sustainable packaging, for an environmentally conscious design.
Blue Pure 211i Max
Eco-friendly materials used in the construction of this purifier make it a sustainable choice for environmentally conscious consumers.
Indicates whether the product uses eco-friendly materials.
In the battle of Eco Friendly Materials,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Eco Friendly Materials on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Recyclable Filters
Are the filters recyclable?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Blue Pure 121
The filters are recyclable, helping to reduce waste and environmental impact.
Blue Pure 211i Max
The use of recyclable filters helps reduce environmental impact, contributing to a more sustainable lifestyle.
Indicates if filters are recyclable after use.
In the battle of Recyclable Filters,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Recyclable Filters on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Sustainable Packaging
Is the packaging sustainable?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Blue Pure 121
Packaging is designed with sustainability in mind, reducing unnecessary waste and using recyclable materials.
Describes if the packaging uses recyclable or biodegradable materials.
In the battle of Sustainable Packaging,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Sustainable Packaging on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Low Ozone Emission
Does it have low ozone emission?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Blue Pure 121
Operates with low ozone emission, ensuring safe air purification without harmful side effects.
Ensures minimal ozone emission during operation.
In the battle of Low Ozone Emission,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Low Ozone Emission on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Carbon Footprint Rating
What is its carbon footprint rating?
Who knows?
0Votes
Blue Pure 121
(Help us out by suggesting one!)
Who knows?
0Votes
Blue Pure 211i Max
(Help us out by suggesting one!)
Approximate carbon footprint of the device’s lifecycle.
Don’t keep it to yourself — be the first to react and review the
Carbon Footprint Rating on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Standby Power Usage
How much power does it use on standby?
3
W
0Votes
Who knows?
0Votes
Blue Pure 211i Max
(Help us out by suggesting one!)
Power consumption when the device is on standby mode.
Don’t keep it to yourself — be the first to react and review the
Standby Power Usage on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
The Blue Pure 121 includes a power adapter, improving plug flexibility, whereas 211i Max does not include this accessory, which might require purchasing an adapter separately depending on power source.
Specifies if an external power adapter is provided.
In the battle of Power Adapter,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Adapter on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Blue Pure 121 comes with a filter replacement tool to aid maintenance, whereas the 211i Max does not provide this, which could mean additional purchases or simpler replacement processes.
Indicates whether a tool for filter replacement is provided.
In the battle of Filter Replacement Tool,
Blue Pure 121 ◉ is
better than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Tool on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Filters
Are filters included in the box?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Specifies if the product includes initial filters in the box.
In the battle of Filters,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Filters on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Spare Filters
Are spare filters included?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Indicates whether additional spare filters are provided.
In the battle of Spare Filters,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Spare Filters on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Power Cord
Is the power cord included?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
States whether a power cord is included in the box.
In the battle of Power Cord,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Power Cord on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Setup Guide
Is there a setup guide included?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Confirms if a setup or quick start guide is provided.
In the battle of Setup Guide,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Setup Guide on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
User Manual
Is a user manual included?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Confirms the presence of a printed or digital user manual.
In the battle of User Manual,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
User Manual on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Warranty Card
Is a warranty card included?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Indicates the inclusion of a warranty registration card.
In the battle of Warranty Card,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Warranty Card on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Certification & Standards
11
AHAM Verified
Is it AHAM verified?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Indicates if the air purifier is verified by the Association of Home Appliance Manufacturers.
In the battle of AHAM Verified,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
AHAM Verified on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
CARB Certified
Is it CARB certified?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Confirms compliance with California Air Resources Board standards for ozone emission safety.
In the battle of CARB Certified,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
CARB Certified on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
ETL Listed
Is it ETL listed?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Shows compliance with North American electrical safety standards.
In the battle of ETL Listed,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
ETL Listed on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
UL Listed
Is it UL listed?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Indicates UL certification for electrical and fire safety.
In the battle of UL Listed,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
UL Listed on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
CSA Certified
Is it CSA certified?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Certifies compliance with Canadian Standards Association safety requirements.
In the battle of CSA Certified,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
CSA Certified on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Energy Star Certified
Is it Energy Star certified?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Indicates certification for energy-efficient performance.
In the battle of Energy Star Certified,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Energy Star Certified on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
EPA Certified
Is it EPA certified?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Verifies compliance with U.S. Environmental Protection Agency standards.
In the battle of EPA Certified,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
EPA Certified on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
RoHS Compliant
Is it RoHS compliant?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Ensures restriction of hazardous substances in components and materials.
In the battle of RoHS Compliant,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
RoHS Compliant on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
FCC Certified
Is it FCC certified?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Indicates compliance with Federal Communications Commission standards for electronic emissions.
In the battle of FCC Certified,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
FCC Certified on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
CE Certified
Is it CE certified?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Confirms compliance with European safety, health, and environmental protection standards.
In the battle of CE Certified,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
CE Certified on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
ISO Certified
Is it ISO certified?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Indicates certification under ISO standards for quality or environmental management.
In the battle of ISO Certified,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
ISO Certified on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Warranty service differs: Blue Pure 121 requires carrying in the unit for service, while the 211i Max offers on-site warranty service, providing more convenience and less hassle for repairs.
Defines how warranty service is provided.
In the battle of Warranty Service Type,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Warranty Service Type on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
0
Blue Pure 211i Max
0Votes
Phone, Email, Live Chat, App, Website
vs
Customer Support Channel
Customer support for 211i Max includes Phone, Email, Live Chat plus App and Website support, surpassing Blue Pure 121's Phone, Email, and Live Chat only, ensuring more comprehensive assistance across platforms.
Lists available communication channels for customer support.
In the battle of Customer Support Channel,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Customer Support Channel on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Onsite service is available for Blue Pure 211i Max but not for the 121, a significant advantage for customers valuing easy professional support without needing to transport the device.
States whether technicians can provide onsite service or repair.
In the battle of Onsite Service Availability,
Blue Pure 121 ◉ is
worse than
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Onsite Service Availability on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Warranty Duration
What is the warranty duration?
0
Blue Pure 121
0Votes
1 year
0
Blue Pure 211i Max
0Votes
1 year
Blue Pure 121
Comes with a 1-year warranty, offering peace of mind in case of any defects or issues with the unit.
Specifies how long the product is covered under warranty.
In the battle of Warranty Duration,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Warranty Duration on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Service Center Availability
What is the service center coverage?
0
Blue Pure 121
0Votes
Nationwide
0
Blue Pure 211i Max
0Votes
Nationwide
Blue Pure 121
Service centers are available nationwide, providing convenient locations for support.
Describes the scope of service center availability.
In the battle of Service Center Availability,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Service Center Availability on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Online Support Platform
What online support platform is available?
0
Blue Pure 121
0Votes
Website
0
Blue Pure 211i Max
0Votes
Website
Blue Pure 121
Support is available through the manufacturer's website, offering FAQs and guides for troubleshooting.
Specifies the platform used for online support or warranty registration.
In the battle of Online Support Platform,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Online Support Platform on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Extended Warranty Availability
Is extended warranty available?
Yes
0Votes
Blue Pure 121
Yes
0Votes
Blue Pure 211i Max
Indicates whether extended warranty options are offered.
In the battle of Extended Warranty Availability,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Extended Warranty Availability on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Response Time
What is the typical customer support response time?
24
hours
0Votes
24
hours
0Votes
Average time for customer support to respond.
In the battle of Response Time,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
, delivering
equal
24.00 hours
measurement.
Don’t keep it to yourself — be the first to react and review the
Response Time on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Return Policy
What is the return policy duration?
0
Blue Pure 121
0Votes
30 Days
0
Blue Pure 211i Max
0Votes
30 Days
Defines the allowable time period for product returns.
In the battle of Return Policy,
Blue Pure 121 ◉ is
same as
Blue Pure 211i Max ◉
.
Don’t keep it to yourself — be the first to react and review the
Return Policy on Blue Pure 121 ◉
vs Blue Pure 211i Max ◉ and help others decide!
Surveys
Because hot takes deserve votes.
Air Cleaning Performance
How effective is this air purifier at cleaning the air in a typical room?
Excellent purification — Removes over 99% of particles
0Votes
0Votes
Very good — Removes 95% to 99% of particles
0Votes
0Votes
Decent — Removes 85% to 95% of particles
0Votes
0Votes
Weak — Removes 70% to 85% of particles
0Votes
0Votes
Poor — Removes under 70% of particles
0Votes
0Votes
Air Circulation Speed
How quickly does this air purifier clean the air in a medium-sized room?
Very fast — Under 10 minutes
0Votes
0Votes
Fast — 10 to 20 minutes
0Votes
0Votes
Moderate — 20 to 30 minutes
0Votes
0Votes
Slow — 30 to 45 minutes
0Votes
0Votes
Very slow — Over 45 minutes
0Votes
0Votes
Noise Level
How quiet is this air purifier during normal operation?
Very quiet — Under 25 dB
0Votes
0Votes
Quiet — 25 to 35 dB
0Votes
0Votes
Moderate — 35 to 45 dB
0Votes
0Votes
Loud — 45 to 55 dB
0Votes
0Votes
Very loud — Over 55 dB
0Votes
0Votes
Ease of Setup
How easy was it to set up this air purifier for first-time use?
Extremely easy — Ready to use within minutes
0Votes
0Votes
Easy — A few steps but clear instructions
0Votes
0Votes
Average — Needed some effort but manageable
0Votes
0Votes
Tricky — Confusing or unclear setup steps
0Votes
0Votes
Frustrating — Difficult and time-consuming setup
0Votes
0Votes
Filter Replacement Convenience
How easy is it to replace the filter on this air purifier?
Very simple — Quick and tool-free
0Votes
0Votes
Easy — Takes only a few minutes
0Votes
0Votes
Average — Manageable but a bit fiddly
0Votes
0Votes
Hard — Requires tools or careful handling
0Votes
0Votes
Very hard — Complicated or frustrating process
0Votes
0Votes
Filter Lifespan
How long does the filter in this air purifier typically last?
Very long — Over 12 months
0Votes
0Votes
Long — 9 to 12 months
0Votes
0Votes
Average — 6 to 9 months
0Votes
0Votes
Short — 3 to 6 months
0Votes
0Votes
Very short — Under 3 months
0Votes
0Votes
Energy Consumption
How energy-efficient is this air purifier during daily use?
Very efficient — Under 30 watts
0Votes
0Votes
Efficient — 30 to 50 watts
0Votes
0Votes
Moderate — 50 to 80 watts
0Votes
0Votes
High — 80 to 120 watts
0Votes
0Votes
Very high — Over 120 watts
0Votes
0Votes
Design Appeal
How would you rate the design and appearance of this air purifier?
Sleek and stylish — Looks modern and fits any room
0Votes
0Votes
Clean and simple — Looks nice and unobtrusive
0Votes
0Votes
Average — Functional but plain
0Votes
0Votes
Bulky — Takes space and looks outdated
0Votes
0Votes
Clunky — Unattractive and poorly designed
0Votes
0Votes
Portability and Size
How convenient is the size and portability of this air purifier?
Very compact — Under 10 pounds
0Votes
0Votes
Compact — 10 to 15 pounds
0Votes
0Votes
Medium — 15 to 20 pounds
0Votes
0Votes
Large — 20 to 25 pounds
0Votes
0Votes
Very large — Over 25 pounds
0Votes
0Votes
Pricing
How do you feel about the price of this air purifier?
Supermod
Recaptor
0
Cartling
