Skip to product information
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Active - Left
Active - Right
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Blue Pure 311i Max
Arrow - Left
Arrow - Right

Blue Pure 3350i Max

Air Purifier, Medium Rooms

Save 20% with Code BREATHEBLUE

Breathe clean air where it matters most. With powerful yet quiet filtration, the Blue Pure 311i Max transforms your bedroom or home office spaces into refreshing environments for restful nights and productive days.

  • Quickly cleans 439 ft² in 12.5 minutes, 1,054 ft² in 30 minutes, & 2,107 ft² in 1 hour.
  • Automatically detects and quickly removes pollutants such as dander, pollen, dust mite matter allergen and more.
  • Compact with 360-degree air intake, so you can place it anywhere
  • RealTrack in-app filter monitoring accurately tracks filter lifetime based on usage and pollutant levels.Variety of washable pre-filter colors designed to blend seamlessly in your home
  • Perfect for bedrooms or offices
  • Place anywhere with 360˚ design
  • Automatically Adjust Fan Speed
  • Instant air
quality readings
  • PM 2.5 pollutant tracking
  • App & Wifi connectivity
  • RealTrack filter monitoring
  • Smart home integration

“Forest fire smoke beware, Blueair Blue Pure 311i Max is the best air purifier you can buy—especially where smoke is concerned. In our tests, the Blue Pure displayed the best particle filtration of any air purifier we’ve tested”

USA Today

Arrow - Left
Arrow - Right

Why choose Blue Pure 311i Max?

4 layers of filtration remove
99.97%¹ of airborne pollutants

HEPASilent™ technology combines electrostatic and mechanical filtration to capture tiny airborne pollutants like pollen, dust and smoke, faster* and quieter⁴ than traditional HEPA.

Meet our filters

  • Particle & Carbon

    Our original filter. Removes allergens and traps light household odors from pets, cooking and smoke

  • SmokeBlock

    2x more activated carbon than our original filter. Removes up to 99.99%³ of wildfire smoke

  • AllergenBlock⁵

    Extra protection against allergens. Traps and neutralizes dust, pollen and pet dander

Exclusive features in the Blueair app

Independently proven performance

  • Free and fast shipping

  • 30 day home trial

  • Extended warranty

FAQ

¹ Tested on PM 2.5 up to 90 mins

² Based on ELISA deactivation testing of Pollen (Cry J1), Pet Dander (Fel d1, Can F1), Dust Mite Matter (Der f1) on the filter media in 60 minutes.

³ Compared to standard in-unit filter. Based on removal testing of particles 0.4-0.7 μm in 60min in a 30m3 room. Performance may vary.

⁴ Noise refers to acoustic power at max. fan compared to Blue Auto models.

⁵AllergenBlock refers to inanimate allergens pollen, dust and pet dander.

*Comparing CADR performance of Blueair models with mechanical and electrostatic filtration vs same models with only H13 HEPA mechanical filtration.

Note: CADR and room size values have been updated to meet new DOE standards. Website listings reflect the most accurate information. You may notice slight differences versus product packaging during the transition.