130 Highlights 78 Differences 6 Reactions 0 Likes

Blue Pure 211i Max vs Alen BreatheSmart FLEX: 130 Highlights & 78 Differences — So, Which Air Purifier Actually Works Better

Two great purifiers with different strengths: premium smart features or basic reliability with long warranty. What sets Blue Pure 211i Max and Alen BreatheSmart FLEX apart? We looked at their automatic mode, fan speed levels, overheat protection & safety auto shutoff and key differences in this complete air purifiers face-off.

0 Points
Blueair
Blueair
Blue Pure 211i Max Blueair 211i Max
Blue Pure  211i Max
Alen BreatheSmart FLEX
vs

Highlights 169

No extras. Just what matters.
0 Points
vs
62 Points

Why is Blue Pure 211i Max better than Alen BreatheSmart FLEX ?

Scroll down for more facts

Blue Pure 211i Max vs. Alen BreatheSmart FLEX: A Modern Air Purifier Showdown

When it comes to improving indoor air quality, both the Blue Pure 211i Max and the Alen BreatheSmart FLEX stand out as reliable options for bedrooms and living spaces. Each offers HEPA filtration combined with activated carbon filters to trap allergens and odors, certified by recognized bodies like AHAM and EPA. While these purifiers share essential air-cleaning goals and solid build material choices like ABS plastic, their differences become clear in design, technology, and smart features. The Blue Pure 211i Max sports a newer 2023 console-style design with multiple colors, app connectivity, and a detailed LED display. In contrast, the Alen FLEX has a tower form factor, classic white finish, and simpler touch controls without any display. Notably, the Blue Pure delivers a higher Clean Air Delivery Rate (CADR), enhanced filtration stages, and sophisticated sensors that enable automatic adjustments, whereas the Alen emphasizes quieter operation with a turbo mode and boasts a longer filter life and lifetime warranty.

Why the Blue Pure 211i Max Commands Attention

The latest 2023 release brings a slew of innovations making the Blue Pure 211i Max an appealing choice for tech-savvy users who want the most out of their air purifier. Its impressive CADR of 410 covers up to 674 sqft with four air changes per hour, surpassing the Alen FLEX's CADR of 225 despite slightly smaller recommended coverage. Blue Pure's four-stage filtration system includes a True HEPA H13 filter, an easily washable fabric pre-filter, activated carbon, and an ionizer feature that can enhance purification effectiveness. Plus, the purifier uses real air quality sensors like PM2.5 and dust sensors and offers an auto fan speed that responds dynamically to pollutant levels, an edge the FLEX can't match due to lacking any sensors. The touch, remote, and app controls with WiFi, voice assistant compatibility, and cloud integration allow users to personalize their experience remotely and track air quality in real time, which is a rarity in this category. Safety is also prioritized with features such as overheat and tip-over protection plus power failure memory, helping ensure safe operation in any setting. The Blue Pure 211i Max's larger footprint and ultralong 67.7-inch cord provide flexible placement in multi-room use, making it ideal for more demanding environments.

Alen BreatheSmart FLEX: Solid Basics With Practical Perks

Although the Alen FLEX launched earlier in 2021, it maintains relevance by focusing on straightforward usability and quiet comfort. Its slightly larger coverage area of 700 sqft and rated 4 air changes per hour cater well to medium-sized rooms like bedrooms and offices. The FLEX is designed in a compact tower style with a slimmer profile and lighter 15 lbs weight but comes with a short power cord which may limit placement flexibility. Its filtration system features three stages including a HEPA and a mesh pre-filter that, while not washable, enables a generous reported 12-month filter life, longer than Blue Pure's nine months. The standout feature here is the turbo fan mode that drives quick air cleaning bursts, useful for rapid odor and particle removal without boosting noise levels excessively. Noise levels max out slightly lower on the FLEX, creating a quieter environment during operation. Though it lacks the smart sensors, app capabilities, or extensive safety features found in Blue Pure, its robust warranty coverage is noteworthy ; a lifetime warranty paired with a 60-day return policy outshines Blue Pure's standard one-year warranty and shorter return window. This makes the FLEX a great choice for users valuing durable, dependable service and simple, effective performance without the bells and whistles.

Quick Take

The Blue Pure 211i Max is a powerhouse for anyone wanting high-efficiency filtration combined with smart home integration and top safety features. Meanwhile, the Alen BreatheSmart FLEX proves that reliable, quieter air purification with a turbo boost and exceptional warranty can still impress without advanced tech. Both have their place depending on the user's priorities.

Closing Recommendation

Overall, the Blue Pure 211i Max emerges as the superior purifier for those seeking the latest in air quality technology, thorough filtration, and versatile control options suitable for multi-room setups. On the other hand, the Alen BreatheSmart FLEX holds appeal for buyers who prefer straightforward functionality, a quieter fan with turbo power, and a reassuring lifetime warranty at a possibly lower price point. If smart features and top performance matter most, the Blue Pure 211i Max is the clear winner.

Verdict

  • Winner: Blue Pure 211i Max - Offers higher CADR, advanced 4-stage filtration with washable filters and ionizer, comprehensive sensor suite, smart controls, and superior safety features.
  • Runner-Up: Alen BreatheSmart FLEX - Provides simpler operation with turbo mode, longer filter life, quieter max noise, and an impressive lifetime warranty at competitive pricing.

Comparisons 35

Two enter. One leaves your cart.

Related comparisons 35

Because one duel is never enough.

Comparisons & Facts 169

Side by side. The numbers. The features. No drama.

Trying to choose between Blue Pure 211i Max and Alen BreatheSmart FLEX? This versus breakdown covers everything — specs, pros and cons, pricing, what users like (and don’t), and which air purifier makes more sense for your needs and budget.

General Information 13

Intended Room Type

What room type is it intended for?

0 Blue Pure 211i Max 0 Votes Bedroom, Living Room, Office

31 Alen BreatheSmart FLEX 0 Votes Bedroom, Office

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Intended Room Type

Blue Pure 211i Max targets Bedroom, Living Room, and Office, while Alen BreatheSmart FLEX is optimized for Bedroom and Office, offering broader living area coverage by Blue Pure 211i Max.

Specifies what kind of room the air purifier is designed for.

Design Style

What is the design style?

0 Blue Pure 211i Max 0 Votes Modern

86 Alen BreatheSmart FLEX 0 Votes Modern

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Design Style

Both models feature a modern design style, ensuring they fit seamlessly in contemporary homes and offices.

The visual and structural style of the purifier’s exterior.

Form Factor

What is the form factor?

0 Blue Pure 211i Max 0 Votes Console

46 Alen BreatheSmart FLEX 0 Votes Tower

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Form Factor

Blue Pure 211i Max and Alen BreatheSmart FLEX both have a console and tower form factor respectively, influencing placement flexibility.

The overall shape and layout of the device.

Technology Type

What technology does it use?

0 Blue Pure 211i Max 0 Votes HEPA, Activated Carbon

46 Alen BreatheSmart FLEX 0 Votes HEPA

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Technology Type

Blue Pure 211i Max uses HEPA and Activated Carbon technology compared to Alen BreatheSmart FLEX’s HEPA only, offering enhanced filtration in Blue Pure 211i Max.

The primary purification technologies used by the unit.

Control Type

What control types are available?

0 Blue Pure 211i Max 0 Votes App, Touch

66 Alen BreatheSmart FLEX 0 Votes Touch

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Control Type

Both models have touch control types, providing intuitive user operation with Blue Pure 211i Max adding app control for extra convenience.

The methods available to operate the device.

Display Type

What is the display type?

0 Blue Pure 211i Max 0 Votes LED

0 Alen BreatheSmart FLEX 0 Votes None

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Display Type

Blue Pure 211i Max has an LED display, unlike Alen BreatheSmart FLEX, which lacks a display, enhancing user interface experience.

The kind of display interface provided.

Model Name

What is the model name?

0 Blue Pure 211i Max 0 Votes Blue Pure 211i Max

74 Alen BreatheSmart FLEX 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Model Name

Blue Pure 211i Max, released in 2023, is newer than Alen BreatheSmart FLEX from 2021, potentially offering the latest technology and updates.

The official name or model identifier of the air purifier.

Model Type

What type of model is this?

0 Blue Pure 211i Max 0 Votes Console

56 Alen BreatheSmart FLEX 0 Votes Console

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Model Type

Both Blue Pure 211i Max and Alen BreatheSmart FLEX are console and tower model types respectively, affecting placement and aesthetics in your room.

The structural style or type of the air purifier.

Product Series

What is the product series?

0 Blue Pure 211i Max 0 Votes Blue Pure

75 Alen BreatheSmart FLEX 0 Votes BreatheSmart

Indicates which product line or series the model belongs to.

Release Year

What year was it released?

0 Blue Pure 211i Max 0 Votes 2023

81 Alen BreatheSmart FLEX 0 Votes 2021

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Release Year

Both air purifiers originate from China, ensuring similar manufacturing standards for Blue Pure 211i Max and Alen BreatheSmart FLEX.

The year the model was first released to market.

Color Options

What color options are offered?

0 Blue Pure 211i Max 0 Votes Sand,Stockholm Fog,Moss,Limestone

67 Alen BreatheSmart FLEX 0 Votes White

Available color variations for this model.

Dimensions & Weight 10

Width

What is the width?

14.4 inch 0 Votes
Blue Pure  211i Max
15 inch 0 Votes

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Width

Blue Pure 211i Max is 14.4 inches wide, slightly narrower than FLEX's 15 inches, affecting footprint in tight spaces.

The horizontal measurement of the air purifier.

Depth

What is the depth?

14.4 inch 0 Votes
8.5 inch 0 Votes
Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Depth

Depth of Blue Pure 211i Max is 14.4 inches compared to FLEX’s 8.5 inches, indicating FLEX is slimmer front-to-back.

The front-to-back measurement of the purifier.

Height

What is the height?

22.7 inch 0 Votes
25 inch 0 Votes
Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Height

Blue Pure 211i Max’s height is 22.7 inches, while FLEX is taller at 25 inches, impacting vertical space usage.

The total vertical measurement from base to top.

Weight

What is the weight?

16.2 lbs 0 Votes
15 lbs 0 Votes
Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Weight

Blue Pure 211i Max weighs 16.2 lbs, slightly heavier by 1.2 lbs compared to FLEX’s 15 lbs, potentially affecting portability.

The total weight of the air purifier unit.

Cord Length

What is the cord length?

6.7 ft 0 Votes
7.8 ft 0 Votes
Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Cord Length

Blue Pure 211i Max comes with a 67.7 ft cord, vastly longer than FLEX’s 7.8 ft, offering more placement flexibility.

The length of the power cord attached to the purifier.

Package Width

What is the package width?

14.4 inch 0 Votes
Blue Pure  211i Max
15.5 inch 0 Votes

Blue Pure  211i Max
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.

Package Depth

What is the package depth?

14.4 inch 0 Votes
9 inch 0 Votes
Alen BreatheSmart FLEX

Blue Pure  211i Max
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.

Package Height

What is the package height?

22.7 inch 0 Votes
Blue Pure  211i Max
25.5 inch 0 Votes

Blue Pure  211i Max
Blue Pure 211i Max

Packaging height matches the product, ensuring the unit fits securely inside for delivery.

The height of the product packaging.

Package Weight

What is the package weight?

16.2 lbs 0 Votes
15.5 lbs 0 Votes
Alen BreatheSmart FLEX

Blue Pure  211i Max
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.

Base Diameter

What is the base diameter?

Who knows? 0 Votes Blue Pure 211i Max (Help us out by suggesting one!)

Who knows? 0 Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

The circular base width for tower-style purifiers.

Performance & Efficiency 19

Clean Air Delivery Rate

What is the overall CADR?

410 cfm 1 Votes
Blue Pure  211i Max
225 cfm 0 Votes

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Clean Air Delivery Rate

Blue Pure 211i Max delivers a CADR of 410 cfm, significantly higher than FLEX’s 225 cfm, nearly double the airflow for faster purification.

Measures the total air cleaning rate in cubic feet per minute.

The Blue Pure 211i Max's clean air delivery rate is just way better and really impresses me with 410 cfm.

See more

CADR Smoke

What is the CADR for smoke?

410 cfm 0 Votes
Blue Pure  211i Max
187 cfm 0 Votes

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
CADR Smoke

Blue Pure 211i Max excels in CADR Smoke at 410 cfm versus FLEX’s 187 cfm, greatly improving smoke particle filtration efficiency.

Smoke-specific clean air delivery rate.

CADR Pollen

What is the CADR for pollen?

410 cfm 0 Votes
Blue Pure  211i Max
135 cfm 0 Votes

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
CADR Pollen

For pollen filtration, Blue Pure 211i Max provides 410 cfm CADR, exceeding FLEX’s 135 cfm by over three times for allergen control.

Pollen-specific clean air delivery rate.

CADR Dust

What is the CADR for dust?

410 cfm 0 Votes
Blue Pure  211i Max
53 cfm 0 Votes

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
CADR Dust

Blue Pure 211i Max also led in dust filtration CADR at 410 cfm, compared to FLEX’s 53 cfm, meaning superior dust removal.

Dust-specific clean air delivery rate.

Air Changes Per Hour

How many air changes per hour?

4.8 ACH 0 Votes
Blue Pure  211i Max
4 ACH 0 Votes

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Air Changes Per Hour

Blue Pure 211i Max offers 4.8 air changes per hour (ACH), slightly more than FLEX’s 4 ACH, contributing to fresher air circulation.

Number of complete air changes per hour.

Noise Level Min

What is the minimum noise level?

23 dB 0 Votes
Blue Pure  211i Max
25 dB 0 Votes

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Noise Level Min

Blue Pure 211i Max's minimum noise level is 23 dB, slightly quieter than FLEX’s 25 dB, beneficial for light sleepers.

Minimum operating noise level at lowest fan speed.

Noise Level Max

What is the maximum noise level?

53 dB 0 Votes
50 dB 0 Votes
Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Noise Level Max

Maximum noise reaches 53 dB on Blue Pure 211i Max compared to FLEX’s 50 dB, with FLEX being marginally quieter at high fan speeds.

Maximum noise level at highest fan speed.

Power Consumption

What is the power consumption?

46 Watt 0 Votes
Blue Pure  211i Max
50 Watt 0 Votes

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Power Consumption

Power consumption is slightly lower on Blue Pure 211i Max at 46 watts versus 50 watts for FLEX, translating to better energy savings.

Average electrical power used during operation.

Noise Level Average

What is the average noise level?

40 dB 0 Votes
39 dB 0 Votes
Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Noise Level Average

Average noise level is similar, 40 dB for Blue Pure 211i Max versus 39 dB for FLEX, maintaining moderate operating sound.

Typical average noise during standard operation.

Energy Efficiency Rating

What is the energy efficiency rating?

0 Blue Pure 211i Max 0 Votes A++

Who knows? 0 Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Energy Efficiency Rating

Blue Pure 211i Max has an A++ energy efficiency rating, while FLEX lacks this rating, suggesting Blue Pure 211i Max is more energy efficient.

Efficiency classification for energy consumption.

Operating Temperature Range

What is the operating temperature range?

0 Blue Pure 211i Max 0 Votes -10-60°F

66 Alen BreatheSmart FLEX 0 Votes 30-100°F

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Operating Temperature Range

Blue Pure 211i Max can operate in colder temperatures (-10 to 60°F) compared to FLEX’s 30 to 100°F range, making it versatile for varied climates.

The recommended ambient temperature range for operation.

Coverage Area

What is the coverage area?

674 sq ft 0 Votes
700 sq ft 0 Votes
Alen BreatheSmart FLEX

Blue Pure  211i Max
Blue Pure 211i Max

Ideal for rooms of around 62.6 m², this is perfect for bedrooms or medium-sized living rooms.

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

Matches the maximum coverage area, ensuring effective filtration for rooms up to 700 sq ft.

The total maximum area the purifier can effectively clean.

Filtration System 18

Filter Life Duration

What is the filter life duration?

9 month 0 Votes
12 month 1 Votes
Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Filter Life Duration

Filter life duration on Blue Pure 211i Max is 9 months, shorter than FLEX’s 12 months, affecting replacement frequency.

Expected lifespan of the filter before replacement.

I gotta say the Alen FLEX's 12-month filter life feels like more bang for your buck for easy maintenance.

See more

Ionizer Function

Does it have ionizer function?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Ionizer Function

Blue Pure 211i Max offers an ionizer function, unlike FLEX, potentially improving air freshness though some prefer to avoid ionizers.

Generates negative ions to capture fine airborne particles.

Filter Washable

Are the filters washable?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Filter Washable

Blue Pure 211i Max filters are washable, unlike FLEX’s non-washable type, reducing replacement costs and waste.

Indicates whether filters can be washed and reused.

Primary Filter Type

What is the primary filter type?

0 Blue Pure 211i Max 0 Votes True HEPA

66 Alen BreatheSmart FLEX 0 Votes HEPA

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Primary Filter Type

Both feature HEPA primary filters, but Blue Pure 211i Max uses True HEPA H13, indicating higher filtration standards than FLEX’s standard HEPA.

The main type of filter used to trap fine particles.

Pre Filter Type

What is the pre-filter type?

0 Blue Pure 211i Max 0 Votes Fabric

76 Alen BreatheSmart FLEX 0 Votes Mesh

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Pre Filter Type

Pre-filter type differs: Blue Pure 211i Max utilizes fabric material, while FLEX uses a mesh filter, affecting dust capture rates.

The type of pre-filter that captures larger dust and hair.

Carbon Filter Type

What is the carbon filter type?

0 Blue Pure 211i Max 0 Votes Activated Carbon

86 Alen BreatheSmart FLEX 0 Votes Activated Carbon

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Carbon Filter Type

Both models include activated carbon filters, but Blue Pure 211i Max does not specify amount, whereas FLEX contains 2.3 oz, which may influence odor control.

Type of carbon material used for odor and gas removal.

Filter Efficiency Percentage

What is the filter efficiency percentage?

99.97 % 0 Votes
Blue Pure  211i Max
99.97 % 0 Votes
Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Filter Efficiency Percentage

Filter efficiency is equal at 99.97% for both models, ensuring reliable particle capture for cleaner air.

Percentage of particles the filter can capture.

Number Of Filter Stages

How many filter stages are there?

0 Blue Pure 211i Max 0 Votes 4

49 Alen BreatheSmart FLEX 0 Votes 3

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Number Of Filter Stages

Blue Pure 211i Max uses a 4-stage filtration system, one stage more than FLEX’s 3-stage system, enhancing purification depth.

Total number of filtration stages used in the air cleaning process.

Filter Replacement Indicator

Does it have a filter replacement indicator?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
Blue Pure 211i Max

The built-in filter replacement indicator makes maintenance easy, alerting you when the filter needs changing.

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

A filter replacement indicator ensures you’re reminded when it’s time to change the filter.

Alerts user when it’s time to replace filters.

Activated Carbon Amount

How much activated carbon does it have?

Who knows? 0 Votes Blue Pure 211i Max (Help us out by suggesting one!)

2.3 oz 0 Votes
Alen BreatheSmart FLEX

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

Contains 2.3 oz (about 65 grams) of activated carbon to absorb unwanted odors and pollutants.

Total amount of activated carbon used in the filter.

Filter Material Composition

What materials are used in the filter?

0 Blue Pure 211i Max 0 Votes Fiberglass, Plastic, Carbon Fiber

44 Alen BreatheSmart FLEX 0 Votes Fiberglass, Plastic, Carbon Fiber

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

The filter material combines fiberglass for particle capture, plastic for durability, and carbon fiber for odor control.

Materials used in constructing the filter media.

Antibacterial Coating

Does it have antibacterial coating?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Alen BreatheSmart FLEX
Alen BreatheSmart FLEX

Lacks an antibacterial coating, focusing instead on the mechanical filtration process.

Indicates if the filter surface has antibacterial treatment.

Air Quality & Sensors 15

Air Quality Sensor

Does it have an air quality sensor?

Yes 1 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Air Quality Sensor

Blue Pure 211i Max includes air quality and dust sensors, while FLEX lacks these sensors, enabling advanced monitoring and automatic adjustments.

Detects overall air quality and pollution level.

I appreciate that the Blue Pure 211i Max has an air quality sensor for better automatic adjustment.

See more

Automatic Mode

Does it have an automatic mode?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Automatic Mode

Automatic mode is available in Blue Pure 211i Max but missing in FLEX, enabling smarter operation based on air quality.

Adjusts purification level automatically based on air quality.

Real Time Air Quality Display

Does it show real-time air quality?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Real Time Air Quality Display

With real-time air quality display, Blue Pure 211i Max provides visible air condition feedback, absent in FLEX for user awareness.

Displays air quality readings instantly on screen or app.

Dust Sensor

Does it include a dust sensor?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
Blue Pure 211i Max

The dust sensor detects particulate levels, ensuring the purifier increases fan speed as needed to clear the air.

Detects airborne dust particles to optimize performance.

VOC Sensor

Does it have a VOC sensor?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

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.

CO2 Sensor

Does it include a CO2 sensor?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

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.

Auto Dimming Display

Does it have an auto dimming display?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Adjusts screen brightness automatically based on lighting.

Auto Fan Speed Adjustment

Does it support auto fan speed adjustment?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Automatically changes fan speed based on sensor data.

Odor Sensor

Does it have an odor sensor?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Detects unpleasant smells or chemical odors.

PM25 Sensor

Does it include a PM2.5 sensor?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Detects PM2.5 fine particles (2.5 microns and smaller).

PM10 Sensor

Does it have a PM10 sensor?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Detects coarse dust particles (10 microns and larger).

Temperature Sensor

Does it have a temperature sensor?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Measures ambient temperature for comfort optimization.

Controls & Interface 13

Remote Control

Does it come with a remote control?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Remote Control

Remote control is compatible with Blue Pure 211i Max but not with FLEX, adding convenience for users.

Allows operation from a distance using a remote device.

Mobile App Control

Can it be controlled through a mobile app?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Mobile App Control

Mobile app control is supported by Blue Pure 211i Max, offering remote management, whereas FLEX does not provide this feature.

Enables control via smartphone application.

Touch Controls

Does it have touch controls?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Allows operation via touch-sensitive interface.

Touch Sensitivity Level

What is the touch sensitivity level?

Who knows? 0 Votes Blue Pure 211i Max (Help us out by suggesting one!)

Who knows? 0 Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Indicates how responsive the touch interface is.

Physical Buttons

Does it include physical buttons?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Provides tactile buttons for basic operation.

Display Brightness Adjustment

Can the display brightness be adjusted?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Allows users to adjust the display brightness manually.

Timer Function

Does it have a timer function?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Lets users set specific operating durations.

Sleep Mode

Does it feature a sleep mode?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Operates quietly with dimmed display for sleeping.

Child Lock

Does it include a child lock?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Prevents accidental operation by children.

Control Panel Location

Where is the control panel located?

0 Blue Pure 211i Max 0 Votes Front

36 Alen BreatheSmart FLEX 0 Votes Front

Indicates where the main control panel is located.

Filter Reset Button

Does it have a filter reset button?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Dedicated button to reset the filter indicator after replacement.

WiFi Indicator Light

Does it have a WiFi indicator light?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Shows WiFi connectivity status visually.

Fan & Operation Modes 10

Turbo Mode

Does it include a turbo mode?

No 0 Votes Blue Pure 211i Max

Yes 1 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Turbo Mode

Turbo mode is present on FLEX but not on Blue Pure 211i Max, favoring FLEX for short bursts of intense purification.

High-power mode for rapid air purification.

Turbo mode on the Alen FLEX is great for those quick cleans when you need fast air purification.

See more

Fan Speed Levels

What fan speed levels are available?

0 Blue Pure 211i Max 0 Votes Low, Medium, High, Auto

54 Alen BreatheSmart FLEX 0 Votes Low, Medium, High, Turbo

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Fan Speed Levels

Fan speed levels vary: Blue Pure 211i Max offers Low, Medium, High, and Auto, while FLEX replaces Auto with Turbo, differing in operation styles.

Lists the available fan speed levels or names.

Eco Mode

Does it have an eco mode?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Eco Mode

Eco mode is exclusive to Blue Pure 211i Max, promoting energy savings during light use.

Energy-saving mode that reduces power usage.

Maximum Fan Speed

What is the maximum fan speed?

Who knows? 0 Votes Blue Pure 211i Max (Help us out by suggesting one!)

Who knows? 0 Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Maximum fan rotation speed when operating at full power.

Minimum Fan Speed

What is the minimum fan speed?

Who knows? 0 Votes Blue Pure 211i Max (Help us out by suggesting one!)

Who knows? 0 Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Lowest rotation speed for quiet or energy-saving mode.

Sleep Quiet Mode

Does it feature a sleep or quiet mode?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Minimizes noise and display brightness for nighttime use.

Manual Mode

Does it include manual mode?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Allows manual fan speed and mode selection by the user.

Custom Mode

Does it support a custom mode?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Lets users set personalized mode settings or schedules.

Oscillation

Does it feature oscillation?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Rotates or swings to distribute air evenly across a room.

Airflow Direction Control

Can you control the airflow direction?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Allows users to adjust the direction of purified airflow.

Safety & Protection 9

Overheat Protection

Does it have overheat protection?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Overheat Protection

Safety features are stronger in Blue Pure 211i Max, including overheat and tipover protection not found in FLEX, ensuring user safety.

Prevents damage by automatically shutting down when overheating.

Safety Auto Shutoff

Does it feature safety auto shutoff?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Safety Auto Shutoff

Both models include safety auto shutoff, preventing damage and enhancing security.

Automatically turns off under unsafe or fault conditions.

Tipover Protection

Does it include tipover protection?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Shuts off the device automatically if it tips over.

Power Surge Protection

Does it include power surge protection?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Protects internal components from voltage spikes.

UV Safety Shield

Does it include a UV safety shield?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Shields users from direct UV light exposure in UV-enabled models.

Ozone Emission Safe

Is it ozone emission safe?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Ensures ozone emissions remain within safe levels.

Power Failure Memory

Does it have power failure memory?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Remembers last settings after a power outage.

Electrical Protection Rating

What is the electrical protection rating?

0 Blue Pure 211i Max 0 Votes IP50

Who knows? 0 Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Indicates protection level against dust or electrical contact.

Fuse Type

What type of fuse does it use?

0 Blue Pure 211i Max 0 Votes Thermal Fuse

36 Alen BreatheSmart FLEX 0 Votes Thermal Fuse

Identifies the type of fuse used for electrical safety.

Build & Materials 7

Finish Texture

What type of finish texture does it have?

0 Blue Pure 211i Max 0 Votes Glossy

36 Alen BreatheSmart FLEX 0 Votes Matte

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Finish Texture

Finish texture differs: Blue Pure 211i Max is glossy, while FLEX offers matte, influencing style preferences.

Describes the surface finish of the air purifier.

Build Quality Grade

What is the build quality grade?

0 Blue Pure 211i Max 0 Votes Premium

56 Alen BreatheSmart FLEX 0 Votes Standard

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Build Quality Grade

Build quality grade is premium for Blue Pure 211i Max and standard for FLEX, suggesting a higher-end feel and durability.

Indicates the overall craftsmanship and material precision.

Body Material

What material is the purifier body made of?

0 Blue Pure 211i Max 0 Votes ABS Plastic

66 Alen BreatheSmart FLEX 0 Votes ABS Plastic

Describes the main material used for the purifier body.

Filter Frame Material

What is the filter frame material?

0 Blue Pure 211i Max 0 Votes Plastic

66 Alen BreatheSmart FLEX 0 Votes Plastic

Indicates the material used for the filter housing or frame.

Build Type

What is the build type?

0 Blue Pure 211i Max 0 Votes Fixed

56 Alen BreatheSmart FLEX 0 Votes Compact

Defines the overall design structure of the purifier.

Scratch Resistance

Is the purifier scratch resistant?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Indicates resistance of the body surface to scratches.

Portability Handles Wheels

Does it have handles or wheels for portability?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Indicates presence of handles or wheels for easier movement.

Maintenance & Usability 8

Tool Free Maintenance

Is maintenance tool free?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Tool Free Maintenance

Tool-free maintenance applies to both, but FLEX includes cleaning tools whereas Blue Pure 211i Max does not, aiding upkeep ease.

Allows maintenance without using additional tools.

Maintenance Indicator

Does it have a maintenance indicator?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
vs
Alen BreatheSmart FLEX
Maintenance Indicator

Maintenance indicators are present in both, helping users know when service is needed.

Alerts when maintenance or cleaning is needed.

Filter Replacement Method

What is the filter replacement method?

0 Blue Pure 211i Max 0 Votes Slide Out

56 Alen BreatheSmart FLEX 0 Votes Slide Out

Describes how the filter can be removed and replaced.

Ease Of Access

How is the ease of access for cleaning or filter changes?

0 Blue Pure 211i Max 0 Votes Front Access

86 Alen BreatheSmart FLEX 0 Votes Front Access

Indicates how easily users can reach filters and components.

Cleaning Frequency

How often should it be cleaned?

30 days 0 Votes

Who knows? 0 Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Recommended frequency of cleaning for optimal performance.

Cleaning Tools

Are cleaning tools included?

No 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Specifies if cleaning accessories are provided with the unit.

Maintenance Frequency Reminder

Does it include a maintenance frequency reminder?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Provides reminders for regular filter replacement or cleaning.

Filter Replacement Cost Estimate

What is the estimated filter replacement cost?

0 Blue Pure 211i Max 0 Votes $45

Who knows? 0 Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Approximate cost for standard replacement filters.

Smart & Connectivity Features 12

WiFi Connectivity

Does it have WiFi connectivity?

Yes 1 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
Blue Pure 211i Max

Wi-Fi support allows users to control the purifier remotely via a smartphone app, enhancing convenience.

Indicates if the air purifier can connect to WiFi for app or remote control.

WiFi connectivity on the Blue Pure 211i Max lets me control it remotely which is super convenient.

See more

App Integration

Does it integrate with mobile apps?

Who knows? 0 Votes Blue Pure 211i Max (Help us out by suggesting one!)

Who knows? 0 Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Blue Pure  211i Max
Blue Pure 211i Max

App integration offers a range of smart features, including remote control and tracking of filter usage.

Integrates with manufacturer or third-party mobile applications.

Voice Assistant Compatibility

Which voice assistants is it compatible with?

0 Blue Pure 211i Max 0 Votes Alexa, Google Assistant

74 Alen BreatheSmart FLEX 0 Votes Alexa, Google Assistant

Blue Pure  211i Max
Blue Pure 211i Max

Compatible with Alexa and Google Assistant, enabling voice control for added ease of use.

Specifies which voice assistants are supported.

IFTTT Or Smart Home Integration

Does it support IFTTT or smart home integration?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
Blue Pure 211i Max

IFTTT and smart home integration allow this purifier to connect with other smart devices, creating a more automated environment.

Integrates with automation platforms like IFTTT or smart home hubs.

Bluetooth Connectivity

Does it have Bluetooth connectivity?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Allows wireless connection via Bluetooth for setup or local control.

Cloud Connectivity

Does it support cloud connectivity?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Connects to cloud services for remote access and data sync.

Offline Mode

Does it have an offline mode?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Operates fully even without an internet connection.

Firmware Update Capability

Can it update firmware automatically?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Allows over-the-air firmware updates for new features or bug fixes.

Remote Start Stop

Can it be started or stopped remotely?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Enables turning the purifier on or off remotely via app or voice.

Multi-Device Sync

Does it support multi-device sync?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Synchronizes multiple purifiers or devices under one control.

Data Logging

Does it support data logging?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Logs air quality, usage, and performance data for analysis.

Usage History

Does it keep usage history?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Records previous usage patterns and air quality stats.

Environmental & Sustainability 7

Eco Friendly Materials

Are eco-friendly materials used?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
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.

Recyclable Filters

Are the filters recyclable?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Blue Pure  211i Max
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.

Sustainable Packaging

Is the packaging sustainable?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Describes if the packaging uses recyclable or biodegradable materials.

Low Ozone Emission

Does it have low ozone emission?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Ensures minimal ozone emission during operation.

Carbon Footprint Rating

What is its carbon footprint rating?

Who knows? 0 Votes Blue Pure 211i Max (Help us out by suggesting one!)

Who knows? 0 Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Approximate carbon footprint of the device’s lifecycle.

Standby Power Usage

How much power does it use on standby?

Who knows? 0 Votes Blue Pure 211i Max (Help us out by suggesting one!)

Who knows? 0 Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Power consumption when the device is on standby mode.

Noise Eco Mode

What is the noise level in eco mode?

23 dB 0 Votes

Who knows? 0 Votes Alen BreatheSmart FLEX (Help us out by suggesting one!)

Noise level during eco or low power mode.

Accessories & Package Contents 8

Filters

Are filters included in the box?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Specifies if the product includes initial filters in the box.

Spare Filters

Are spare filters included?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Indicates whether additional spare filters are provided.

Power Cord

Is the power cord included?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

States whether a power cord is included in the box.

Power Adapter

Is a power adapter included?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Specifies if an external power adapter is provided.

Filter Replacement Tool

Is a filter replacement tool included?

No 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Indicates whether a tool for filter replacement is provided.

Setup Guide

Is there a setup guide included?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Confirms if a setup or quick start guide is provided.

User Manual

Is a user manual included?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Confirms the presence of a printed or digital user manual.

Warranty Card

Is a warranty card included?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Indicates the inclusion of a warranty registration card.

Certification & Standards 11

AHAM Verified

Is it AHAM verified?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Indicates if the air purifier is verified by the Association of Home Appliance Manufacturers.

CARB Certified

Is it CARB certified?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Confirms compliance with California Air Resources Board standards for ozone emission safety.

ETL Listed

Is it ETL listed?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Shows compliance with North American electrical safety standards.

UL Listed

Is it UL listed?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Indicates UL certification for electrical and fire safety.

CSA Certified

Is it CSA certified?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Certifies compliance with Canadian Standards Association safety requirements.

Energy Star Certified

Is it Energy Star certified?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Indicates certification for energy-efficient performance.

EPA Certified

Is it EPA certified?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Verifies compliance with U.S. Environmental Protection Agency standards.

RoHS Compliant

Is it RoHS compliant?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Ensures restriction of hazardous substances in components and materials.

FCC Certified

Is it FCC certified?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Indicates compliance with Federal Communications Commission standards for electronic emissions.

CE Certified

Is it CE certified?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Confirms compliance with European safety, health, and environmental protection standards.

ISO Certified

Is it ISO certified?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

Indicates certification under ISO standards for quality or environmental management.

Warranty & Support 9

Warranty Duration

What is the warranty duration?

0 Blue Pure 211i Max 0 Votes 1 year

86 Alen BreatheSmart FLEX 1 Votes Lifetime

Specifies how long the product is covered under warranty.

Lifetime warranty on the Alen FLEX really gives peace of mind beyond the usual one year from Blue Pure.

See more

Warranty Service Type

What type of warranty service is included?

0 Blue Pure 211i Max 0 Votes On Site

76 Alen BreatheSmart FLEX 0 Votes On Site

Defines how warranty service is provided.

Extended Warranty Availability

Is extended warranty available?

Yes 0 Votes Blue Pure 211i Max

No 0 Votes Alen BreatheSmart FLEX

Indicates whether extended warranty options are offered.

Service Center Availability

What is the service center coverage?

0 Blue Pure 211i Max 0 Votes Nationwide

96 Alen BreatheSmart FLEX 0 Votes Nationwide

Describes the scope of service center availability.

Onsite Service Availability

Is onsite service available?

Yes 0 Votes Blue Pure 211i Max

Yes 0 Votes Alen BreatheSmart FLEX

States whether technicians can provide onsite service or repair.

Customer Support Channel

What are the customer support channels?

0 Blue Pure 211i Max 0 Votes Phone, Email, Live Chat, App, Website

26 Alen BreatheSmart FLEX 0 Votes Phone, Email

Lists available communication channels for customer support.

Online Support Platform

What online support platform is available?

0 Blue Pure 211i Max 0 Votes Website

76 Alen BreatheSmart FLEX 0 Votes Website

Specifies the platform used for online support or warranty registration.

Response Time

What is the typical customer support response time?

24 hours 0 Votes
Blue Pure  211i Max
24 hours 0 Votes
Alen BreatheSmart FLEX

Average time for customer support to respond.

Return Policy

What is the return policy duration?

0 Blue Pure 211i Max 0 Votes 30 Days

76 Alen BreatheSmart FLEX 0 Votes 60 Days

Defines the allowable time period for product returns.

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
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Very good — Removes 95% to 99% of particles
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Decent — Removes 85% to 95% of particles
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Weak — Removes 70% to 85% of particles
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Poor — Removes under 70% of particles
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX

Air Circulation Speed

How quickly does this air purifier clean the air in a medium-sized room?

Very fast — Under 10 minutes
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Fast — 10 to 20 minutes
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Moderate — 20 to 30 minutes
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Slow — 30 to 45 minutes
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Very slow — Over 45 minutes
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX

Noise Level

How quiet is this air purifier during normal operation?

Very quiet — Under 25 dB
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Quiet — 25 to 35 dB
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Moderate — 35 to 45 dB
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Loud — 45 to 55 dB
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Very loud — Over 55 dB
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX

Ease of Setup

How easy was it to set up this air purifier for first-time use?

Extremely easy — Ready to use within minutes
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Easy — A few steps but clear instructions
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Average — Needed some effort but manageable
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Tricky — Confusing or unclear setup steps
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Frustrating — Difficult and time-consuming setup
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX

Filter Replacement Convenience

How easy is it to replace the filter on this air purifier?

Very simple — Quick and tool-free
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Easy — Takes only a few minutes
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Average — Manageable but a bit fiddly
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Hard — Requires tools or careful handling
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Very hard — Complicated or frustrating process
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX

Filter Lifespan

How long does the filter in this air purifier typically last?

Very long — Over 12 months
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Long — 9 to 12 months
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Average — 6 to 9 months
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Short — 3 to 6 months
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Very short — Under 3 months
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX

Energy Consumption

How energy-efficient is this air purifier during daily use?

Very efficient — Under 30 watts
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Efficient — 30 to 50 watts
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Moderate — 50 to 80 watts
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
High — 80 to 120 watts
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Very high — Over 120 watts
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX

Design Appeal

How would you rate the design and appearance of this air purifier?

Sleek and stylish — Looks modern and fits any room
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Clean and simple — Looks nice and unobtrusive
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Average — Functional but plain
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Bulky — Takes space and looks outdated
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Clunky — Unattractive and poorly designed
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX

Portability and Size

How convenient is the size and portability of this air purifier?

Very compact — Under 10 pounds
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Compact — 10 to 15 pounds
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Medium — 15 to 20 pounds
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Large — 20 to 25 pounds
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Very large — Over 25 pounds
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX

Pricing

How do you feel about the price of this air purifier?

Great value for money
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Pretty good price
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Fair deal
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Kinda pricey
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX
Crazy expensive
0 Votes
Blue Pure  211i Max
0 Votes
Alen BreatheSmart FLEX

Guides 2

Files 1

Blueair Blue Pure 211i Max User Manual

shopify.com
shopify.com

Files 1

Alen BreatheSmart FLEX User Manual

shopify.com
shopify.com

Reviews 0

The good, the bad, and the brutally honest.

Average Rating

Blueair
Blueair
Blue Pure 211i Max
Blue Pure  211i Max
0 / 5 0 Reviews
Alen
Alen
Alen BreatheSmart FLEX
Alen BreatheSmart FLEX
0 / 5 0 Reviews

Discussions 0

Thoughts, takes, and hot debates.

Awards 0

Only the best made it here.

Collections 0

Treasures You’ve picked. No fluff, all fun.

More Air Purifiers 0

Unlock more awesome finds.

Other Blueair Air Purifiers 25

Other Alen Air Purifiers 5

Blue Pure  211i Max
Blueair
Blueair
Blue Pure 211i Max
Alen BreatheSmart FLEX
Alen
Alen
Alen BreatheSmart FLEX
vs