Blue Pure 311i Max

Medium spaces
Blue Pure 311i Max
Includes a washable pre-filter in Stockholm Fog
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Fast. Quiet. Simply Smart.

Our signature performance is now even better, delivering up to 83% more cleaning power¹ with 50% less noise².


Our proprietary HEPASilent™ technology, which combines electrostatic and mechanical filtration to capture at least 99.97% of airborne particles down to 0.1 micron in size*.

Blueair Flower
Pollen
Blueair Cooking odors
Cooking odors
Blueair Dust
Dust
Blueair Pets
Pet dander & odors
Blueair Mold
Mold
Blueair Bacteria & viruses
Bacteria & viruses*
Blueair Smoke
Smoke
Blueair Chemicals
Chemicals
Let's clear the air faster

Only Blueair air purifiers use HEPASilent™ technology, quickly cleaning 387 ft² in 12.5 minutes or up to 929 ft² in 30 minutes.

Blueair Blue pure air purifier graphic with room sizing
Let’s clear the air better

Control 4 fan speeds (Night, 1-3), select auto, adjust brightness levels and enable/disable child lock with just two buttons.


The five-color air quality indicator (AQI) uses a particle sensor to detect pollution. Air quality reading is based on the concentration of fine particles (PM 2.5) in your space.

Blueair Blue pure max aerial view
Let’s clear the air smarter

Welcome home feature

Your air purifier will go on standby when you leave the home and turn back on when you are getting close.


Accurate filter tracking

Using Blueair's proprietary RealTrack algorithm, you can easily view the most accurate filter usage and reorder before it expires.


Voice control assistance

Control your air purifier hands free and enjoy even more convenience.


Blueair Blue pure max air quality readings
Blueair Person in bed next to blueair air purifier
Let's clear the air quieter

The Blue Pure 311i Max operates on low at 23dB, and is never louder than 50dB³. QuietMark certified⁴.


Blueair Blueair genuine filter
Let's clear the air longer
New and longer lasting filters (6-9 months)

Using Blueair's new proprietary RealTrack algorithm, you can easily view the most accurate filter usage and reorder before it expires.


It uses advanced machine learning to adjust its calculations based on your unique environment, taking into account factors like fan speed, usage time and pollutant levels.

Blueair Blue pure max pre-filter color array
Let's clear the air quieter
Designed with the sleek & stylish look of Scandinavian design

Our five washable pre-filters are designed to seamlessly blend into your home.


Our pre-filters extend the life of primary filters, catching large airborne particles such as dust, lint, pollen, and pet hair.

Independently proven performance
Blueair Image
Verifide(R) for performance and Clean Air Delivery Rate (CADR).
Blueair Quiet Mark Certified
Quiet Mark Certified
Blueair Energy star logo
Rated as energy-efficient air purifiers.
Blueair Intertek verified zero ozone logo
Zero Ozone Verified (<5 ppb) by Intertek Sustainability Program.
Details
  • Wi-Fi connectivity for remote control
    Yes
  • On/off timer
    Yes (via Blueair App)
  • Speed control options
    1 - 2 - 3 - AUTO - NIGHT
  • Integrated air sensors
    Yes
Inlcuded in the box
Blueair Image

Blue Pure 311i Max air purifier with pre-filter in Stockholm Fog

Blueair Filter

Blue Pure 311i Max Filter

Blueair IN the box - Instruction manual

Instruction Manual

  • Dimensions(HxWxD)
    19 X 12.5 X 12.5 in
  • Product weight
    7.8lbs
  • Energy consumption
    32 W
  • Sound level
    23-50 dB
  • Air outlet
    Top
  • Recommended room size
    387 - 929 ft2
  • Air changes per hour (ACH)
    4.8
  • Clean air delivery rate (CADR) - Pollen
    250 cfm
  • Clean air delivery rate (CADR) - Dust
    250 cfm
  • Clean air delivery rate (CADR) - Smoke
    250 cfm
  • Number of filters
    1
How does this model differ from the Blue Pure 311?

Key upgrades include: more coverage, quieter on highest fan, more fan speeds, longer filter life, new colors, & smart technologies.

How do I register for warranty?

To extend the Limited Warranty from one year to three (3) years, simply complete the product registration form in the 'Warranty' section of your customer account, within (60) days of purchase or register through the Blueair mobile app.​



Read full warranty terms here

How should I clean the fabric pre-filter?

Vacuum the exterior of the fabric pre-filter to remove dust as often as you'd like. When the pre-filter requires a deeper clean, it can be washed on a gentle, low-temperature cycle in the washing machine. Hang to dry.

Reviews
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Disclaimers


¹Comparing pollen CADR on high fan speed (Blue Pure 411a Max & 411i Max vs. Blue 411 Auto), other units may vary. Based on AHAM maximum allowable certified rating which may vary from the AHAM seal claimed valued. 


²Noise refers to the dB(A) difference in acoustic power.


³Sound pressure at max. fan Assuming 635 sq.ft room size and 4.8 air exchanges per hour (AHAM AC-1)


⁴Quietest refers to eligibility for Quiet Mark certification, limited to 10-20% of quietest products. See https://www.quietmark.com/ for further information


* Tested on PM 2.5 in 90 mins. Tested to remove min. 99.9% of S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1, A.Niger.