Blue Pure 311i Max
Air Purifier, Medium rooms
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spaces with fresh, clean air
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 387 ft² in 12.5 minutes, 929 ft² in 30 minutes, & 1,800 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
Specialty filter add-on
Specialty filters designed for additional protection against allergens or smoke.
![Blueair null Blueair null](https://www.blueair.com/dw/image/v2/AASF_PRD/on/demandware.static/-/Library-Sites-blueair-us-content-library/default/dw56d0d993/2024-PDP/Video_2.png?sw=468)
HEPASilent™ technology combines electrostatic and mechanical filtration to capture tiny airborne pollutants like pollen, dust and smoke, faster³ and quieter⁴ than traditional HEPA.
Our original filter. Removes allergens and traps light household odors from pets, cooking and smoke
2x more activated carbon than our original filter. Removes up to 99.99% of wildfire smoke
Extra protection against allergens. Traps and neutralizes dust, pollen and pet dander
![Blueair Image Blueair Image](https://www.blueair.com/on/demandware.static/-/Library-Sites-blueair-us-content-library/default/dw7918dd95/2024-PDP/certificates/verifide.png)
![Blueair Image Blueair Image](https://www.blueair.com/on/demandware.static/-/Library-Sites-blueair-us-content-library/default/dw9409e2a5/2024-PDP/certificates/california.png)
![Blueair Image Blueair Image](https://www.blueair.com/on/demandware.static/-/Library-Sites-blueair-us-content-library/default/dw84a88983/2024-PDP/certificates/quietmark.png)
![Blueair Image Blueair Image](https://www.blueair.com/on/demandware.static/-/Library-Sites-blueair-us-content-library/default/dw17ca21e3/2024-PDP/certificates/energystar.png)
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Dimensions(HxWxD)19" x 12.5" x 12.5"
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Product weight7.8lbs
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Energy consumption32 W
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Sound levelLow Setting: 23 dB High Setting: 50 dB
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Air outletTop
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Recommended room size387 ft2
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Air changes per hour (ACH)4.8
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Clean air delivery rate (CADR)Pollen 250 cfm Dust 250 cfm Smoke 250 cfm
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Number of filters1
![Blue Pure 311i Max 360 View](https://www.blueair.com/dw/image/v2/AASF_PRD/on/demandware.static/-/Sites-blueair-master-catalog/default/dwe3cf491a/PLP-Units2024/311iMax/360/Blueair4505.png?sw=356&sh=460&sm=fit)
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, pollen allergen (Cry j1), cat allergen (Def f1), fungal allergen (Alt a1), dust mite allergen (Fel d1). Performance may vary across models.
³ Tested to remove min. 99.9% of S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1, A.Niger.
⁴ Tested on TVOC, sulfure dioxide, nitrogen dioxide. Deodorization tested on ammonia, acetaldehyde, acetic acid.