82 Highlights 73 Differences 11 Reactions 0 Likes

Blue Pure 311i+ Max vs Blue Pure 411 Auto: 82 Highlights & 73 Differences — So, Which Air Purifier Actually Works Better

The 311i+ Max is a powerhouse for larger rooms with smart controls. The 411 Auto is compact and budget-friendly but simpler. Guess who wins? What sets Blue Pure 311i+ Max and Blue Pure 411 Auto apart? We looked at their touch controls, fan speed levels, overheat protection & tipover protection and key differences in this complete air purifiers face-off.

71 Points
Blueair
Blueair
Blue Pure 311i+ Max Blueair 311i+ Max
Blue Pure 311i+ Max
64 Points
Blueair
Blueair
Blue Pure 411 Auto
The Blue Pure 411 Auto has been discontinued️. Our community last shared an update on March 07, 2026.
Blue Pure 411 Auto
vs

Highlights 169

No extras. Just what matters.
71 Points
vs
64 Points

Why is Blue Pure 311i+ Max better than Blue Pure 411 Auto ?

Scroll down for more facts

Blue Pure 311i+ Max Versus Blue Pure 411 Auto: Which Air Purifier Fits Your Space and Needs Best?

When comparing the Blue Pure 311i+ Max and the Blue Pure 411 Auto, both models hail from Blue Pure's acclaimed line of air purifiers designed to enhance indoor air quality through HEPA and activated carbon technology. At their core, they both aim to capture microscopic particles, allergens, and odors efficiently, making them suitable choices for bedrooms, living rooms, and offices. However, fundamental differences appear in their size, performance capabilities, and smart features. The 311i+ Max serves larger spaces up to about 387.5 sq ft, boasting a higher clean air delivery rate (CADR) of 250 for smoke, pollen, and dust. On the other hand, the compact 411 Auto is built for smaller rooms with a CADR of 123 for smoke, 96 for pollen, and 107 for dust, recommended for spaces of around 190 sq ft. Both employ HEPA filtration coupled with activated carbon but diverge in filtration stages and sensor technology, reflecting their distinct positioning in terms of user needs and budget.

A Console Powerhouse With Intelligent Air Quality Control: Blue Pure 311i+ Max

The Blue Pure 311i+ Max stands out as a robust console-style air purifier, measuring a substantial 12.6 inches wide and deep, 19.09 inches tall, and weighing 7.8 pounds. Designed with portability in mind, it offers handles and wheels, making relocation straightforward despite its size. Performance-wise, it sports an impressive CADR of 250 across smoke, pollen, and dust categories, fitting medium to large rooms comfortably. Its A++ energy rating confirms smart power management, consuming roughly 38 watts. The filtration system impresses with a four-stage setup, incorporating a high-grade H13 HEPA filter and an activated carbon layer, delivering 99.97% efficiency and boasting a filter life of around 9 months. Advanced multi-sensor arrays monitor air quality, including VOC, dust, PM2.5, and PM10 detection, supporting real-time automatic mode adjustments for optimal purification.

Control options span physical buttons, touch panels, remote control, and smartphone app connectivity, making operation flexible and modern. Compatibility with Alexa and Google Assistant further pushes its smart credentials. The air purifier also integrates safety features such as overheat, tipover, and surge protection, coupled with easily accessible front-access filter replacement and maintenance indicators to simplify upkeep. Packaging sustainability and certifications, including Energy Star and AHAM, round out its premium presentation.

Compact Convenience Meets Essential Purification: Blue Pure 411 Auto

In contrast, the Blue Pure 411 Auto is a sleek, lightweight tower-style air purifier, designed for users prioritizing size and simplicity. With a dimension of roughly 8 inches square by 16.54 inches tall and a weight of just 3.79 pounds, it effortlessly fits into smaller rooms like nurseries or kitchens. Its CADR rates are lower ; 123 for smoke, 96 for pollen, and 107 for dust ; adequate for spaces around 190 sq ft. Power consumption is minimal at 10 watts, contributing to low operating costs, though energy efficiency ratings are not explicitly stated.

The filtration system combines three stages, including HEPA H13 and activated carbon filters plus a distinctive ionizer function, which can help capture finer particles but is absent in the 311i+ Max. Filter life is shorter at around 6 months, and the filters slide out conveniently from the front. Sensor tech is more limited, focusing primarily on a single air quality sensor without dust, odor, or VOC detectors, and lacking mobile app or voice-control integration.

Operating modes include basic speed choices and features like eco and sleep modes, complemented by airflow direction control unique to this model. Safety is more minimalistic, offering only an auto shutoff function without additional protections. The simpler control interface relies on physical buttons located at the front panel and does not provide remote or app control options. Yet, for those who want straightforward, fuss-free purification in a compact footprint, the 411 Auto serves well.

Quick Take

Simply put, the Blue Pure 311i+ Max is an all-around performer tailored to larger rooms and tech-savvy users who want the latest in smart home integration and sensor-driven purification. Conversely, the Blue Pure 411 Auto fits well in smaller spaces and budgets, delivering essential purification without bells and whistles but with a handy ionizer feature.

Closing Recommendation

If you need powerful, intelligent air purification with extensive smart features and safety systems, the Blue Pure 311i+ Max is worth the investment. Its robust filtration, higher airflow, and app-connected convenience make it the better pick for most home environments requiring thorough air cleaning.

On the other hand, if your priority is compactness, ease of use, and a tight budget, the Blue Pure 411 Auto provides solid air cleaning in a smaller package, especially where smart capabilities are non-essential. For purchasing, the 311i+ Max is available at a competitive price point with options around $230 at amazon.com. Prices for the 411 Auto tend to be lower though less commonly listed online currently.

Verdict

  • Winner: Blue Pure 311i+ Max - Offers superior filtration performance, advanced sensor suite, smart home compatibility, and comprehensive safety features for larger spaces.
  • Runner-up: Blue Pure 411 Auto - Delivers basic but effective purification, compact design, low power use, and ionizer functionality suitable for smaller rooms and simpler needs.

Comparisons 18

Two enter. One leaves your cart.

Related comparisons 18

Because one duel is never enough.

Comparisons & Facts 169

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

Not just a spec list — this is a side-by-side air purifiers comparison between Blue Pure 311i+ Max and Blue Pure 411 Auto, packed with useful details, standout features, and what users actually say. See which air purifier wins your vote.

General Information 13

Model Type

What type of model is this?

58 Blue Pure 311i+ Max 0 Votes Console

68 Blue Pure 411 Auto 0 Votes Tower

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Model Type

Blue Pure 311i+ Max has a console model type versus the tower design of Blue Pure 411 Auto, with the 311i+ Max offering a more traditional console form versus the compact and slim tower shape of the 411 Auto.

The structural style or type of the air purifier.

Intended Room Type

What room type is it intended for?

31 Blue Pure 311i+ Max 0 Votes Bedroom, Living Room, Office

48 Blue Pure 411 Auto 0 Votes Bedroom, Living Room, Office, Nursery, Kitchen

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Intended Room Type

Blue Pure 311i+ Max is suitable for Bedroom, Living Room, and Office, whereas Blue Pure 411 Auto adds Nursery and Kitchen to the list, making the 411 Auto better for a broader range of home environments.

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

Model Name

What is the model name?

64 Blue Pure 311i+ Max 0 Votes Blue Pure 311i+ Max

64 Blue Pure 411 Auto 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Model Name

The Blue Pure 311i+ Max is a console model while the Blue Pure 411 Auto features a tower design, making the 311i+ Max larger and suited for placement flexibility compared to the more compact 411 Auto.

The official name or model identifier of the air purifier.

Product Series

What is the product series?

59 Blue Pure 311i+ Max 0 Votes Blue Pure

58 Blue Pure 411 Auto 0 Votes Blue Pure

Blue Pure 411 Auto
Blue Pure 411 Auto

The Blue Pure series is known for its sleek design and excellent filtration performance, particularly in small spaces.

Indicates which product line or series the model belongs to.

Form Factor

What is the form factor?

68 Blue Pure 311i+ Max 0 Votes Console

68 Blue Pure 411 Auto 0 Votes Compact

Blue Pure 411 Auto
Blue Pure 411 Auto

Its compact design makes it portable and easy to place in small spaces such as desktops or shelves.

The overall shape and layout of the device.

Control Type

What control types are available?

53 Blue Pure 311i+ Max 0 Votes Button, App

48 Blue Pure 411 Auto 0 Votes Button

Blue Pure 411 Auto
Blue Pure 411 Auto

Simple button controls for ease of use, with minimalistic design for quick access.

The methods available to operate the device.

Display Type

What is the display type?

68 Blue Pure 311i+ Max 0 Votes LED

68 Blue Pure 411 Auto 0 Votes LED

Blue Pure 411 Auto
Blue Pure 411 Auto

The LED display provides clear indicators of air quality status, making it easy to monitor the air quality in real time.

The kind of display interface provided.

Country Of Origin

What is the country of origin?

58 Blue Pure 311i+ Max 0 Votes CN

58 Blue Pure 411 Auto 0 Votes CN

Blue Pure 411 Auto
Blue Pure 411 Auto

Manufactured in China, a hub for many modern and high-quality air purifiers.

The country where the product was manufactured.

Release Year

What year was it released?

91 Blue Pure 311i+ Max 0 Votes 2023

88 Blue Pure 411 Auto 0 Votes 2023

The year the model was first released to market.

Technology Type

What technology does it use?

51 Blue Pure 311i+ Max 0 Votes HEPA, Activated Carbon

56 Blue Pure 411 Auto 0 Votes HEPA, Activated Carbon

The primary purification technologies used by the unit.

Design Style

What is the design style?

88 Blue Pure 311i+ Max 0 Votes Modern

88 Blue Pure 411 Auto 0 Votes Modern

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

Dimensions & Weight 10

Height

What is the height?

19.09 inch 0 Votes
Blue Pure 311i+ Max
16.54 inch 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Height

Blue Pure 311i+ Max measures 19.09 inches in height, taller than the 16.54 inches of Blue Pure 411 Auto, reflecting the 311i+ Max's larger console form factor for higher air flow.

The total vertical measurement from base to top.

Weight

What is the weight?

7.8 lbs 0 Votes
Blue Pure 311i+ Max
3.79 lbs 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Weight

The 311i+ Max weighs 7.8 lbs, over twice the 3.79 lbs weight of the 411 Auto, indicating sturdier build and higher capacity but less portability.

The total weight of the air purifier unit.

Cord Length

What is the cord length?

5.64 ft 0 Votes
Blue Pure 311i+ Max
67.72 ft 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Cord Length

Blue Pure 411 Auto has a significantly longer cord length of 67.72 ft versus 5.64 ft on the 311i+ Max, offering more placement flexibility in rooms.

The length of the power cord attached to the purifier.

Width

What is the width?

12.6 inch 0 Votes
Blue Pure 311i+ Max
7.99 inch 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The width is 32 cm, which is about the same as a standard laptop, making it easy to place on most desks or tables.

Blue Pure 411 Auto
Blue Pure 411 Auto

About 20.3 cm wide, this compact size fits well in tight spaces like desks or small bedrooms.

The horizontal measurement of the air purifier.

Depth

What is the depth?

12.6 inch 0 Votes
Blue Pure 311i+ Max
7.99 inch 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The depth is also 32 cm, similar to the width, making it a square-shaped design, ideal for fitting into corners or beside furniture.

Blue Pure 411 Auto
Blue Pure 411 Auto

Similar in depth to the width, measuring 20.3 cm, ensuring a uniform, compact footprint.

The front-to-back measurement of the purifier.

Package Width

What is the package width?

12.5 inch 0 Votes
Blue Pure 311i+ Max
8.5 inch 0 Votes
Blue Pure 411 Auto

The width of the product packaging.

Package Depth

What is the package depth?

12.5 inch 0 Votes
Blue Pure 311i+ Max
8.5 inch 0 Votes
Blue Pure 411 Auto

The depth of the product packaging.

Package Height

What is the package height?

20 inch 0 Votes
Blue Pure 311i+ Max
17 inch 0 Votes
Blue Pure 411 Auto

The height of the product packaging.

Package Weight

What is the package weight?

7.9 lbs 0 Votes
Blue Pure 311i+ Max
4.5 lbs 0 Votes
Blue Pure 411 Auto

The total shipping weight including packaging.

Base Diameter

What is the base diameter?

Who knows? 0 Votes Blue Pure 311i+ Max (Help us out by suggesting one!)

Who knows? 0 Votes Blue Pure 411 Auto (Help us out by suggesting one!)

The circular base width for tower-style purifiers.

Performance & Efficiency 19

Power Consumption

What is the power consumption?

38 Watt 0 Votes
Blue Pure 311i+ Max
10 Watt 1 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Power Consumption

Power consumption is 38 watts for the 311i+ Max, nearly four times the 10 watts used by 411 Auto, emphasizing 311i+ Max's higher energy use for its greater output.

Average electrical power used during operation.

Energy-wise, the 311i+ Max uses 38 watts while the 411 Auto only uses 10 watts. If power saving is a priority, the 411 Auto wins.

See more

Noise Level Min

What is the minimum noise level?

23 dB 0 Votes
Blue Pure 311i+ Max
18 dB 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Noise Level Min

Noise levels at minimum operation are quieter on the 411 Auto at 18 dB compared to 23 dB on 311i+ Max, favoring the 411 Auto for quieter environments like nurseries.

Minimum operating noise level at lowest fan speed.

Noise Level Max

What is the maximum noise level?

50 dB 0 Votes
Blue Pure 311i+ Max
61.2 dB 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Noise Level Max

Maximum noise is significantly higher on the 411 Auto at 61.2 dB compared to 50 dB on 311i+ Max, which could affect noise-sensitive users at peak operation.

Maximum noise level at highest fan speed.

Clean Air Delivery Rate

What is the overall CADR?

250 cfm 2 Votes
Blue Pure 311i+ Max
123 cfm 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Clean Air Delivery Rate

The 311i+ Max delivers a much higher Clean Air Delivery Rate of 250 cfm, doubling the 123 cfm from 411 Auto, making it more efficient in cleaning larger air volumes.

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

The Blue Pure 311i+ Max clearly shines with its much higher CADR of 250 compared to the 411 Auto's 123, making it better for bigger areas.

The Blue Pure 311i+ Max really shines with its higher CADR of 250 compared to the 411 Auto's 123, perfect for bigger rooms needing powerful air cleaning.

See more

CADR Pollen

What is the CADR for pollen?

250 cfm 0 Votes
Blue Pure 311i+ Max
96 cfm 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
CADR Pollen

Both models feature CADR for pollen; however, the 311i+ Max offers 250 cfm while the 411 Auto provides slightly less at 96 cfm, showing the 311i+ Max better tackles allergens.

Pollen-specific clean air delivery rate.

CADR Dust

What is the CADR for dust?

250 cfm 0 Votes
Blue Pure 311i+ Max
107 cfm 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
CADR Dust

CADR dust rating for 311i+ Max is 250 cfm vs 107 cfm for 411 Auto, meaning 311i+ Max removes dust particles faster and more efficiently in bigger rooms.

Dust-specific clean air delivery rate.

Air Changes Per Hour

How many air changes per hour?

4.8 ACH 0 Votes
Blue Pure 311i+ Max
4.8 ACH 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Air Changes Per Hour

Both offer 4.8 air changes per hour, maintaining similar efficiency in air cycling despite room size differences.

Number of complete air changes per hour.

Noise Level Average

What is the average noise level?

40 dB 0 Votes
Blue Pure 311i+ Max
41.6 dB 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Noise Level Average

Noise at average levels is quite similar, 40 dB for 311i+ Max and 41.6 dB for 411 Auto, showing both maintain balanced noise during standard use.

Typical average noise during standard operation.

Voltage

What is the voltage requirement?

220 Volt 0 Votes
Blue Pure 311i+ Max
10 Volt 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
Blue Pure 311i+ Max

Compatible with standard household outlets (220V), but be sure to check your region’s voltage requirements before use.

Blue Pure 411 Auto
Blue Pure 411 Auto

Works with a standard 10V supply, ideal for typical household outlets.

Electrical operating voltage required.

CADR Smoke

What is the CADR for smoke?

250 cfm 0 Votes
Blue Pure 311i+ Max
123 cfm 0 Votes
Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

This high CADR for smoke particles ensures excellent performance in rooms with mild smoke, like kitchens or homes with smokers.

Smoke-specific clean air delivery rate.

Coverage Area

What is the coverage area?

387.5 sq ft 0 Votes
Blue Pure 311i+ Max
190 sq ft 0 Votes
Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

The Blueair 411 Auto is perfect for smaller rooms, offering optimal air quality in spaces up to 190 sq ft.

The total maximum area the purifier can effectively clean.

Maximum Coverage Area

What is the maximum coverage area?

929 sq ft 0 Votes
Blue Pure 311i+ Max
912 sq ft 0 Votes
Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

Although it's optimized for 190 sq ft, it can handle up to 912 sq ft at a lower efficiency, making it versatile.

The largest possible area where the air purifier remains effective.

Filtration System 18

Filter Replacement Indicator

Does it have a filter replacement indicator?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Filter Replacement Indicator

Both have filter replacement indicators to alert users when it's time to change filters, aiding maintenance convenience.

Alerts user when it’s time to replace filters.

Ionizer Function

Does it have ionizer function?

No 0 Votes Blue Pure 311i+ Max

Yes 2 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Ionizer Function

Neither model employs ionizer or plasmawave tech except the 411 Auto which features an ionizer function, enhancing air purification with ion release unlike the 311i+ Max.

Generates negative ions to capture fine airborne particles.

It's cool the 411 Auto includes an ionizer function to boost purification that the 311i+ Max doesn't have at all.

It's cool that the Blue Pure 411 Auto includes an ionizer function, which the 311i+ Max lacks. This adds an extra layer of particle capture for smaller spaces.

See more

Number Of Filter Stages

How many filter stages are there?

60 Blue Pure 311i+ Max 0 Votes 4

48 Blue Pure 411 Auto 0 Votes 3

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Number Of Filter Stages

The 311i+ Max uses 4 filter stages, one more than the 3-stage filtration system of the 411 Auto, providing potentially better air purification.

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

Filter Life Duration

What is the filter life duration?

9 month 0 Votes
Blue Pure 311i+ Max
6 month 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Filter Life Duration

Filter life is longer in the 311i+ Max at 9 months versus 6 months on 411 Auto, meaning less frequent filter replacements for the 311i+ Max.

Expected lifespan of the filter before replacement.

Filter Washable

Are the filters washable?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Filter Washable

Filter washable attribute is common to both models, making cleaning easier and more cost-effective.

Indicates whether filters can be washed and reused.

Filter Efficiency Percentage

What is the filter efficiency percentage?

99.97 % 0 Votes
Blue Pure 311i+ Max
99.97 % 0 Votes
Blue Pure 411 Auto

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The unit captures 99.97% of airborne particles, including pet dander, dust, and even smoke, making it highly effective for allergy sufferers.

Blue Pure 411 Auto
Blue Pure 411 Auto

The filters capture 99.97% of airborne particles, ensuring cleaner, fresher air.

Percentage of particles the filter can capture.

Primary Filter Type

What is the primary filter type?

68 Blue Pure 311i+ Max 1 Votes HEPA

68 Blue Pure 411 Auto 0 Votes HEPA

Blue Pure 411 Auto
Blue Pure 411 Auto

The HEPA filter effectively removes 99.97% of airborne particles, including dust, pollen, and pet dander.

The main type of filter used to trap fine particles.

Both models have HEPA filters, but the 311i+ Max offers a 4-stage filtration system vs 3 stages in the 411 Auto, which seems like serious extra cleaning power.

See more

Carbon Filter Type

What is the carbon filter type?

88 Blue Pure 311i+ Max 0 Votes Activated Carbon

88 Blue Pure 411 Auto 0 Votes Activated Carbon

Blue Pure 411 Auto
Blue Pure 411 Auto

The activated carbon filter helps remove light household odors, ideal for homes with pets or cooking odors.

Type of carbon material used for odor and gas removal.

Filter Material Composition

What materials are used in the filter?

51 Blue Pure 311i+ Max 0 Votes Fabric, Carbon

41 Blue Pure 411 Auto 0 Votes Plastic, Fiberglass, Activated Carbon

Blue Pure 411 Auto
Blue Pure 411 Auto

The filters are made from durable materials like plastic and fiberglass, combined with activated carbon for effective filtration.

Materials used in constructing the filter media.

Filter Availability

Are replacement filters available?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

Replacement filters are readily available for purchase, ensuring easy upkeep of the air purifier.

Indicates if replacement filters are easy to find on the market.

Replacement Filter Model

What is the replacement filter model?

Who knows? 0 Votes Blue Pure 311i+ Max (Help us out by suggesting one!)

67 Blue Pure 411 Auto 0 Votes Blue Pure 411 Series Filter Particle + Carbon Filter

Blue Pure 411 Auto
Blue Pure 411 Auto

The model number for replacement filters is Blue Pure 411 Series Filter Particle + Carbon Filter, ensuring easy sourcing of compatible filters.

The model number or code for compatible replacement filters.

Pre Filter Type

What is the pre-filter type?

58 Blue Pure 311i+ Max 0 Votes Fabric

43 Blue Pure 411 Auto 0 Votes Fabric

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

Air Quality & Sensors 15

Air Quality Sensor

Does it have an air quality sensor?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Air Quality Sensor

Both models include air quality sensors improving air monitoring, but 311i+ Max also features dust and odor sensors which 411 Auto lacks, enhancing detection capabilities.

Detects overall air quality and pollution level.

Dust Sensor

Does it include a dust sensor?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Dust Sensor

The 311i+ Max is equipped with a dust sensor while the 411 Auto does not have this feature, thus providing more detailed particulate monitoring in the 311i+ Max.

Detects airborne dust particles to optimize performance.

Odor Sensor

Does it have an odor sensor?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Odor Sensor

Blue Pure 311i+ Max detects odors with an odor sensor, which is missing in 411 Auto, offering superior odor detection and removal.

Detects unpleasant smells or chemical odors.

VOC Sensor

Does it have a VOC sensor?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
VOC Sensor

VOC sensor availability on the 311i+ Max supports detecting volatile organic compounds, absent from the 411 Auto, enhancing protection from harmful gases.

Detects volatile organic compounds and harmful gases.

Auto Dimming Display

Does it have an auto dimming display?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

The display dims automatically in sleep mode, reducing light disturbance while maintaining visibility.

Adjusts screen brightness automatically based on lighting.

Automatic Mode

Does it have an automatic mode?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

Automatic mode adjusts the fan speed based on real-time air quality readings, providing optimal efficiency without manual intervention.

Adjusts purification level automatically based on air quality.

Auto Fan Speed Adjustment

Does it support auto fan speed adjustment?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

The fan speed adjusts automatically based on the air quality, ensuring that the air purifier is always working optimally.

Automatically changes fan speed based on sensor data.

Real Time Air Quality Display

Does it show real-time air quality?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

The real-time air quality display provides immediate feedback on the air quality, showing it as good (blue), moderate (orange), or poor (red).

Displays air quality readings instantly on screen or app.

CO2 Sensor

Does it include a CO2 sensor?

No 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Monitors carbon dioxide levels in the air.

PM25 Sensor

Does it include a PM2.5 sensor?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

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

PM10 Sensor

Does it have a PM10 sensor?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Detects coarse dust particles (10 microns and larger).

Temperature Sensor

Does it have a temperature sensor?

No 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Measures ambient temperature for comfort optimization.

Controls & Interface 13

Child Lock

Does it include a child lock?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Child Lock

Child lock feature is implemented in 311i+ Max but missing in the 411 Auto, enhancing safety when used around children.

Prevents accidental operation by children.

Touch Controls

Does it have touch controls?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Touch Controls

Touch controls are present on the 311i+ Max but not on 411 Auto, offering more intuitive and modern user interface for the 311i+ Max.

Allows operation via touch-sensitive interface.

Remote Control

Does it come with a remote control?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Remote Control

Remote control is available for the 311i+ Max but not for the 411 Auto, adding convenience for remote operation of the 311i+ Max.

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 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Mobile App Control

Mobile app control supports the 311i+ Max for smart connectivity while 411 Auto lacks app control, making 311i+ Max easier to manage remotely.

Enables control via smartphone application.

Sleep Mode

Does it feature a sleep mode?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The sleep mode operates at the quietest setting, with dimmed lights, ensuring a peaceful night’s rest without disturbing noise.

Blue Pure 411 Auto
Blue Pure 411 Auto

Sleep mode reduces noise to a whisper-quiet level, ideal for use while sleeping.

Operates quietly with dimmed display for sleeping.

Touch Sensitivity Level

What is the touch sensitivity level?

Who knows? 0 Votes Blue Pure 311i+ Max (Help us out by suggesting one!)

Who knows? 0 Votes Blue Pure 411 Auto (Help us out by suggesting one!)

Indicates how responsive the touch interface is.

Physical Buttons

Does it include physical buttons?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Provides tactile buttons for basic operation.

Display Brightness Adjustment

Can the display brightness be adjusted?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Allows users to adjust the display brightness manually.

Timer Function

Does it have a timer function?

No 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Lets users set specific operating durations.

Control Panel Location

Where is the control panel located?

38 Blue Pure 311i+ Max 0 Votes Top

58 Blue Pure 411 Auto 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 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Dedicated button to reset the filter indicator after replacement.

WiFi Indicator Light

Does it have a WiFi indicator light?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Shows WiFi connectivity status visually.

Fan & Operation Modes 10

Fan Speed Levels

What fan speed levels are available?

59 Blue Pure 311i+ Max 0 Votes Low, Medium, High, Auto, Night

38 Blue Pure 411 Auto 0 Votes Low, Medium, High

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Fan Speed Levels

Fan speed levels differ with 311i+ Max offering 5 levels including auto and night modes vs 3 levels on the 411 Auto, providing more tailored airflow control on the 311i+ Max.

Lists the available fan speed levels or names.

Airflow Direction Control

Can you control the airflow direction?

No 0 Votes Blue Pure 311i+ Max

Yes 1 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Airflow Direction Control

Airflow direction control is featured on the 411 Auto but not on the 311i+ Max, allowing airflow adjustment in the 411 Auto for targeted purification.

Allows users to adjust the direction of purified airflow.

I like the 411 Auto because it offers airflow direction control which the 311i+ Max lacks; that's neat for targeting air where you want.

See more

Manual Mode

Does it include manual mode?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Manual Mode

Manual and custom modes are available on the 311i+ Max but not on 411 Auto, giving advanced users more control options.

Allows manual fan speed and mode selection by the user.

Eco Mode

Does it have an eco mode?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
Blue Pure 311i+ Max

Eco Mode is designed to reduce power consumption while still providing adequate air filtration, helping you save on electricity costs.

Blue Pure 411 Auto
Blue Pure 411 Auto

Eco mode minimizes power consumption while still providing effective air purification.

Energy-saving mode that reduces power usage.

Maximum Fan Speed

What is the maximum fan speed?

Who knows? 0 Votes Blue Pure 311i+ Max (Help us out by suggesting one!)

Who knows? 0 Votes Blue Pure 411 Auto (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 311i+ Max (Help us out by suggesting one!)

Who knows? 0 Votes Blue Pure 411 Auto (Help us out by suggesting one!)

Lowest rotation speed for quiet or energy-saving mode.

Turbo Mode

Does it include a turbo mode?

No 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

High-power mode for rapid air purification.

Sleep Quiet Mode

Does it feature a sleep or quiet mode?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Minimizes noise and display brightness for nighttime use.

Custom Mode

Does it support a custom mode?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Lets users set personalized mode settings or schedules.

Oscillation

Does it feature oscillation?

No 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Rotates or swings to distribute air evenly across a room.

Safety & Protection 9

Overheat Protection

Does it have overheat protection?

Yes 1 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Overheat Protection

The 311i+ Max includes overheat protection, tipover protection, power surge protection, unlike the 411 Auto which lacks these, making the 311i+ Max safer.

Prevents damage by automatically shutting down when overheating.

Safety features are much better on the 311i+ Max with overheat protection, tipover protection, and surge protection, all missing on the 411 Auto.

See more

Tipover Protection

Does it include tipover protection?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Tipover Protection

Tipover protection is supported on 311i+ Max but missing on 411 Auto, reducing accident risks with 311i+ Max.

Shuts off the device automatically if it tips over.

Safety Auto Shutoff

Does it feature safety auto shutoff?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

The safety auto shutoff function ensures the device turns off if it overheats, preventing any potential damage or fire risk.

Automatically turns off under unsafe or fault conditions.

Ozone Emission Safe

Is it ozone emission safe?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

Certified as ozone-safe, the Blueair 411 Auto complies with safety standards to ensure no harmful ozone is emitted.

Ensures ozone emissions remain within safe levels.

Power Failure Memory

Does it have power failure memory?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

The unit remembers its settings after a power failure, so you don’t need to adjust it manually.

Remembers last settings after a power outage.

Power Surge Protection

Does it include power surge protection?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Protects internal components from voltage spikes.

UV Safety Shield

Does it include a UV safety shield?

No 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

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

Electrical Protection Rating

What is the electrical protection rating?

68 Blue Pure 311i+ Max 0 Votes IP50

Who knows? 0 Votes Blue Pure 411 Auto (Help us out by suggesting one!)

Indicates protection level against dust or electrical contact.

Fuse Type

What type of fuse does it use?

38 Blue Pure 311i+ Max 0 Votes Thermal Fuse

Who knows? 0 Votes Blue Pure 411 Auto (Help us out by suggesting one!)

Identifies the type of fuse used for electrical safety.

Build & Materials 7

Portability Handles Wheels

Does it have handles or wheels for portability?

Yes 1 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Portability Handles Wheels

Portability is enhanced on the 311i+ Max with handles or wheels included; the 411 Auto lacks these, favoring easier movement with 311i+ Max.

Indicates presence of handles or wheels for easier movement.

Portability is a huge plus in the 311i+ Max since it has handles and wheels, unlike the 411 Auto which doesn't. Moving it around is easier.

See more

Body Material

What material is the purifier body made of?

68 Blue Pure 311i+ Max 0 Votes ABS Plastic

68 Blue Pure 411 Auto 0 Votes ABS Plastic

Blue Pure 411 Auto
Blue Pure 411 Auto

Made with durable plastic, the body of the purifier is sturdy yet lightweight, making it easy to move.

Describes the main material used for the purifier body.

Filter Frame Material

What is the filter frame material?

68 Blue Pure 311i+ Max 0 Votes Plastic

48 Blue Pure 411 Auto 0 Votes Plastic

Blue Pure 411 Auto
Blue Pure 411 Auto

The filter frame is made from plastic, ensuring durability and a secure fit for the filtration system.

Indicates the material used for the filter housing or frame.

Build Type

What is the build type?

58 Blue Pure 311i+ Max 0 Votes Compact

18 Blue Pure 411 Auto 0 Votes Fixed

Blue Pure 411 Auto
Blue Pure 411 Auto

A fixed build ensures stability and reliability during use, without any parts that can be detached or lost.

Defines the overall design structure of the purifier.

Finish Texture

What type of finish texture does it have?

38 Blue Pure 311i+ Max 0 Votes Matte

28 Blue Pure 411 Auto 0 Votes Matte

Blue Pure 411 Auto
Blue Pure 411 Auto

The matte finish gives the purifier a modern, sleek look that fits into any home decor.

Describes the surface finish of the air purifier.

Build Quality Grade

What is the build quality grade?

58 Blue Pure 311i+ Max 0 Votes Standard

58 Blue Pure 411 Auto 0 Votes Standard

Blue Pure 411 Auto
Blue Pure 411 Auto

Offers good build quality at a reasonable price, balancing durability with affordability.

Indicates the overall craftsmanship and material precision.

Scratch Resistance

Is the purifier scratch resistant?

No 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Indicates resistance of the body surface to scratches.

Maintenance & Usability 8

Filter Replacement Method

What is the filter replacement method?

48 Blue Pure 311i+ Max 0 Votes Pull Out

78 Blue Pure 411 Auto 0 Votes Slide Out

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Filter Replacement Method

Filter replacement methods differ; the 311i+ Max uses a pull-out method for easy access, while the 411 Auto has a slide-out system with slightly different user convenience.

Describes how the filter can be removed and replaced.

Tool Free Maintenance

Is maintenance tool free?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

The air purifier is designed for easy, tool-free maintenance, allowing you to clean or replace filters without hassle.

Allows maintenance without using additional tools.

Cleaning Frequency

How often should it be cleaned?

30 days 0 Votes
Blue Pure 311i+ Max
30 days 0 Votes
Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

It’s recommended to clean the pre-filter every 30 days to maintain optimal filtration.

Recommended frequency of cleaning for optimal performance.

Cleaning Tools

Are cleaning tools included?

No 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

A cleaning tool is included to make maintenance easier and more efficient.

Specifies if cleaning accessories are provided with the unit.

Maintenance Indicator

Does it have a maintenance indicator?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

The maintenance indicator reminds you when it's time to clean or replace the filter.

Alerts when maintenance or cleaning is needed.

Ease Of Access

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

88 Blue Pure 311i+ Max 0 Votes Front Access

78 Blue Pure 411 Auto 0 Votes Front Access

Indicates how easily users can reach filters and components.

Maintenance Frequency Reminder

Does it include a maintenance frequency reminder?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Provides reminders for regular filter replacement or cleaning.

Filter Replacement Cost Estimate

What is the estimated filter replacement cost?

61 Blue Pure 311i+ Max 0 Votes $45

Who knows? 0 Votes Blue Pure 411 Auto (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 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
WiFi Connectivity

The 311i+ Max supports WiFi connectivity enabling smart home integration, which is not available on the 411 Auto, improving connectivity with the 311i+ Max.

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

The 311i+ Max supports WiFi connectivity for smart control, which is absent in the 411 Auto, so if you want app control, go with the 311i+ Max.

See more

Bluetooth Connectivity

Does it have Bluetooth connectivity?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Bluetooth Connectivity

Bluetooth connectivity is present in 311i+ Max but missing from 411 Auto, facilitating wireless control with 311i+ Max.

Allows wireless connection via Bluetooth for setup or local control.

Cloud Connectivity

Does it support cloud connectivity?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

This model does not integrate with cloud services but provides simple, effective air purification without the need for smart features.

Connects to cloud services for remote access and data sync.

Offline Mode

Does it have an offline mode?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

The purifier works fully offline, meaning it can operate without any internet connection, which is perfect for reliability.

Operates fully even without an internet connection.

Voice Assistant Compatibility

Which voice assistants is it compatible with?

76 Blue Pure 311i+ Max 0 Votes Alexa, Google Assistant

0 Blue Pure 411 Auto 0 Votes None

Blue Pure 311i+ Max
Blue Pure 311i+ Max

Voice control allows you to adjust settings hands-free using Alexa or Google Assistant, ideal for smart home integration.

Specifies which voice assistants are supported.

App Integration

Does it integrate with mobile apps?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Integrates with manufacturer or third-party mobile applications.

IFTTT Or Smart Home Integration

Does it support IFTTT or smart home integration?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Integrates with automation platforms like IFTTT or smart home hubs.

Firmware Update Capability

Can it update firmware automatically?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

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 311i+ Max

No 0 Votes Blue Pure 411 Auto

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 311i+ Max

No 0 Votes Blue Pure 411 Auto

Synchronizes multiple purifiers or devices under one control.

Data Logging

Does it support data logging?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

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

Usage History

Does it keep usage history?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Records previous usage patterns and air quality stats.

Environmental & Sustainability 7

Eco Friendly Materials

Are eco-friendly materials used?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Eco Friendly Materials

Both models use eco-friendly materials and recyclable filters, ensuring sustainability is a priority in both Blue Pure products.

Indicates whether the product uses eco-friendly materials.

Recyclable Filters

Are the filters recyclable?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The filters are recyclable, helping to reduce waste and making it an environmentally conscious choice.

Blue Pure 411 Auto
Blue Pure 411 Auto

The filters are recyclable, helping reduce waste and contributing to eco-friendliness.

Indicates if filters are recyclable after use.

Sustainable Packaging

Is the packaging sustainable?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
Blue Pure 311i+ Max

Comes in sustainable packaging, further reducing the environmental footprint of the product.

Blue Pure 411 Auto
Blue Pure 411 Auto

The packaging is made from sustainable materials, reducing the environmental impact of shipping and handling.

Describes if the packaging uses recyclable or biodegradable materials.

Noise Eco Mode

What is the noise level in eco mode?

23 dB 0 Votes
Blue Pure 311i+ Max
18 dB 0 Votes
Blue Pure 411 Auto

Blue Pure 411 Auto
Blue Pure 411 Auto

On Eco mode, the noise level is reduced to a whisper-quiet 18 dB, making it ideal for use in bedrooms or nurseries.

Noise level during eco or low power mode.

Low Ozone Emission

Does it have low ozone emission?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Ensures minimal ozone emission during operation.

Carbon Footprint Rating

What is its carbon footprint rating?

Who knows? 0 Votes Blue Pure 311i+ Max (Help us out by suggesting one!)

Who knows? 0 Votes Blue Pure 411 Auto (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 311i+ Max (Help us out by suggesting one!)

0.1 W 0 Votes
Blue Pure 411 Auto

Power consumption when the device is on standby mode.

Accessories & Package Contents 8

Filters

Are filters included in the box?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Specifies if the product includes initial filters in the box.

Spare Filters

Are spare filters included?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Indicates whether additional spare filters are provided.

Power Cord

Is the power cord included?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

States whether a power cord is included in the box.

Power Adapter

Is a power adapter included?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Specifies if an external power adapter is provided.

Filter Replacement Tool

Is a filter replacement tool included?

No 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Indicates whether a tool for filter replacement is provided.

Setup Guide

Is there a setup guide included?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Confirms if a setup or quick start guide is provided.

User Manual

Is a user manual included?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Confirms the presence of a printed or digital user manual.

Warranty Card

Is a warranty card included?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Indicates the inclusion of a warranty registration card.

Certification & Standards 11

Energy Star Certified

Is it Energy Star certified?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
Blue Pure 311i+ Max

The unit is Energy Star certified, meaning it meets strict energy efficiency guidelines and helps lower your utility bill.

Indicates certification for energy-efficient performance.

AHAM Verified

Is it AHAM verified?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

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 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

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

ETL Listed

Is it ETL listed?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Shows compliance with North American electrical safety standards.

UL Listed

Is it UL listed?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Indicates UL certification for electrical and fire safety.

CSA Certified

Is it CSA certified?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Certifies compliance with Canadian Standards Association safety requirements.

EPA Certified

Is it EPA certified?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

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

RoHS Compliant

Is it RoHS compliant?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Ensures restriction of hazardous substances in components and materials.

FCC Certified

Is it FCC certified?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Indicates compliance with Federal Communications Commission standards for electronic emissions.

CE Certified

Is it CE certified?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

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

ISO Certified

Is it ISO certified?

Yes 0 Votes Blue Pure 311i+ Max

Yes 0 Votes Blue Pure 411 Auto

Indicates certification under ISO standards for quality or environmental management.

Warranty & Support 9

Warranty Duration

What is the warranty duration?

28 Blue Pure 311i+ Max 0 Votes 1 year

58 Blue Pure 411 Auto 1 Votes 2 years

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Warranty Duration

Warranty duration is 1 year for the 311i+ Max versus 2 years for the 411 Auto, meaning the 411 Auto offers longer manufacturer coverage.

Specifies how long the product is covered under warranty.

Worth noting that the 411 Auto has a longer warranty of 2 years vs just 1 year on the 311i+ Max, which might matter for peace of mind.

See more

Extended Warranty Availability

Is extended warranty available?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

Blue Pure 311i+ Max
vs
Blue Pure 411 Auto
Extended Warranty Availability

Extended warranty availability is provided only for the 311i+ Max, offering buyers extra protection that 411 Auto's warranty lacks.

Indicates whether extended warranty options are offered.

Warranty Service Type

What type of warranty service is included?

58 Blue Pure 311i+ Max 0 Votes Carry In

38 Blue Pure 411 Auto 0 Votes Carry In

Defines how warranty service is provided.

Service Center Availability

What is the service center coverage?

38 Blue Pure 311i+ Max 0 Votes Local

38 Blue Pure 411 Auto 0 Votes Local

Describes the scope of service center availability.

Onsite Service Availability

Is onsite service available?

Yes 0 Votes Blue Pure 311i+ Max

No 0 Votes Blue Pure 411 Auto

States whether technicians can provide onsite service or repair.

Customer Support Channel

What are the customer support channels?

51 Blue Pure 311i+ Max 0 Votes Phone, Email, Live Chat

38 Blue Pure 411 Auto 0 Votes Phone, Email, Live Chat, App

Lists available communication channels for customer support.

Online Support Platform

What online support platform is available?

78 Blue Pure 311i+ Max 0 Votes Website

78 Blue Pure 411 Auto 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 311i+ Max
24 hours 0 Votes
Blue Pure 411 Auto

Average time for customer support to respond.

Return Policy

What is the return policy duration?

58 Blue Pure 311i+ Max 0 Votes 30 Days

40 Blue Pure 411 Auto 0 Votes 30 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 311i+ Max
0 Votes
Blue Pure 411 Auto
Very good — Removes 95% to 99% of particles
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Decent — Removes 85% to 95% of particles
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Weak — Removes 70% to 85% of particles
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Poor — Removes under 70% of particles
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto

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 311i+ Max
0 Votes
Blue Pure 411 Auto
Fast — 10 to 20 minutes
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Moderate — 20 to 30 minutes
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Slow — 30 to 45 minutes
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Very slow — Over 45 minutes
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto

Noise Level

How quiet is this air purifier during normal operation?

Very quiet — Under 25 dB
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Quiet — 25 to 35 dB
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Moderate — 35 to 45 dB
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Loud — 45 to 55 dB
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Very loud — Over 55 dB
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto

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 311i+ Max
0 Votes
Blue Pure 411 Auto
Easy — A few steps but clear instructions
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Average — Needed some effort but manageable
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Tricky — Confusing or unclear setup steps
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Frustrating — Difficult and time-consuming setup
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto

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 311i+ Max
0 Votes
Blue Pure 411 Auto
Easy — Takes only a few minutes
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Average — Manageable but a bit fiddly
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Hard — Requires tools or careful handling
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Very hard — Complicated or frustrating process
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto

Filter Lifespan

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

Very long — Over 12 months
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Long — 9 to 12 months
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Average — 6 to 9 months
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Short — 3 to 6 months
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Very short — Under 3 months
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto

Energy Consumption

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

Very efficient — Under 30 watts
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Efficient — 30 to 50 watts
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Moderate — 50 to 80 watts
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
High — 80 to 120 watts
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Very high — Over 120 watts
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto

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 311i+ Max
0 Votes
Blue Pure 411 Auto
Clean and simple — Looks nice and unobtrusive
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Average — Functional but plain
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Bulky — Takes space and looks outdated
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Clunky — Unattractive and poorly designed
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto

Portability and Size

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

Very compact — Under 10 pounds
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Compact — 10 to 15 pounds
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Medium — 15 to 20 pounds
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Large — 20 to 25 pounds
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Very large — Over 25 pounds
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto

Pricing

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

Great value for money
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Pretty good price
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Fair deal
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Kinda pricey
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto
Crazy expensive
0 Votes
Blue Pure 311i+ Max
0 Votes
Blue Pure 411 Auto

Guides 2

Files 1

Blueair Blue Pure 311i+ Max User Manual

shopify.com
shopify.com

Files 1

Blueair Blue Pure 411 Auto User Manual

manuals.plus
manuals.plus

Reviews 0

The good, the bad, and the brutally honest.

Average Rating

Blueair
Blueair
Blue Pure 311i+ Max
Blue Pure 311i+ Max
0 / 5 0 Reviews
Blueair
Blueair
Blue Pure 411 Auto
Blue Pure 411 Auto
0 / 5 0 Reviews

Discussions 0

Thoughts, takes, and hot debates.

Awards 0

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Collections 0

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