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Blue Pure 311i Max
$44.99
44.99
$59.99
Blue Pure Max 311i Max replacement filter
Designed specifically for the Blue Pure 311i Max.
Find the name of your air purifier on the label inside your air purifier.
2x more activated carbon
Removes up to 99.99% of wildfire smoke* along with extra protection against other wildfire emissions
such as toxic gasses, smog, and odors**
Fabric pre-filter
The first layer of protection, catches larger particles from the air.
Main filter
Removes airborne allergens, like pollen, dust mite matter allergen, pet dander, germs, mold, bacteria & viruses.
Activated carbon
Traps strong household odors from smoke and wildfire particles.
Real-time filter
lifetime status
lifetime status
Blueair's proprietary RealTrack algorithm accurately calculates the remaining filter lifetime based on fan speed, usage time, and pollution levels.
Genuine Blueair
replacement filter
replacement filter
Protect your air purifier from damage
caused by unofficial filters.
Details
Less noise and energy
Our unique HEPASilent™ filtration technology allows this filter to be less dense, meaning it requires less air pressure. With it installed, your air purifier will operate more quietly while using less energy.
Keeps clean air flowing, resists clogging
This filter's unique structure is designed to filter high volumes of air while trapping even the smallest particles. It maintains maximum airflow because it's engineered to resist clogging.
Minimizes unhealthy allergens and germs*
With the unique filter design at least 99.97%³ of airborne particles, even down to 0.1 microns, are removed, while using less energy and producing less noise.
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Recommended filter change6 months (4,380 hours) when used 24 hours a day
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Number of filters1
What air purifier is this filter compatible with?
This filter is compatible only with the Blue Pure 311i Max air purifier.
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 often should I replace the filter on my Blue Pure Max air purifier?
Quick cleaning: Vacuum the fabric pre-filter every time you do a big cleaning at home or when you see dust building up. Vacuum the exterior of the fabric with a soft brush attachment.
Deep cleaning: Wash the fabric pre-filter every time you replace the Particle & Carbon filter, approximately every 6 months. Wash the fabric pre-filter in a washing machine according to the pre-filter’s label. Hang to dry.
Regular maintenance of your air purifier will help preserving optimal performance.
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Peace of mind, delivered for free¹
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breathe clean air.
Exclusive perks
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get 15% off on every filter and
exclusive product perks.
Disclaimers
¹ A flat shipping rate of $25.00 will be charged on filter shipments to Alaska, Hawaii, and Puerto Rico. Additional charges may apply for shipments over 30 lbs. A flat shipping rate of $5 will be charged on orders under $39 that are not part of filter subscription.
*Compared to standard in-unit filter. Based on removal testing of particles 0.4-0.7um in 60min in a 30m3 room. Performance may vary.
**Tested on benzene, toluene, nitrogen oxide, sulfur dioxide in 30 min.