Blue Pure 411a Max

Small spaces
Blue Pure 411a 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.

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 size².

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

Only Blueair air purifiers use HEPASilent™ technology, quickly cleaning 219 ft² in 12.5 minutes or up to 526 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 411a max aerial view
Blueair Child sleeping in bed next to blueair air purifier
Let's clear the air quieter

The Blue Pure 411i Max operates on low at 18dB, and is never louder than 46dB³. Quietest by QuietMark⁴.

Blueair Blue pure max pre-filter color array

Let's clear the air with style

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 Quiet Mark

Quiet Mark Certified
Blueair Energy star logo
Rated as energy-efficient air purifiers.
Blueair Image
Verifide(R) for performance and Clean Air Delivery Rate (CADR).
  • Wi-Fi connectivity for remote control
  • Speed control options
    1 - 2 - 3 - AUTO - NIGHT
  • Integrated air sensors
Included in the box

Items packaged individually within box - please read manual for set-up instructions.

Blueair Blue Pure 411a Max air purifier

Blue Pure 411 Auto Max air purifier with pre-filter in Stockholm Fog

Blueair IN the box - Instruction manual

Instruction manual

  • Dimensions(HxWxD)
    18.9 X 10.6 X 10.6 in
  • Product weight
  • Energy consumption
    20 W
  • Sound level
    18-46 dB
  • Air outlet
  • Recommended room size
    219 - 526 ft2
  • Air changes per hour (ACH)
  • Clean air delivery rate (CADR) - Pollen
    141 cfm
  • Clean air delivery rate (CADR) - Dust
    141 cfm
  • Clean air delivery rate (CADR) - Smoke
    141 cfm
  • Number of filters
How does this model differ from the Blue Pure 411 Auto?

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

I've replaced my filters, now how do I reset the filter replacement indicator?​

Press and hold down the LED button for 10 seconds to reset the replacement filter indicator. ​​

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.

Related products


¹ Comparing 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.

² Tested on PM 2.5 in 90 mins

³Sound pressure at max fan. Assuming 219 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 for further information

*Min. reduction 99.9% of S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1, A.Niger​