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Designed specifically for the Blue Pure 311i+ Max.
Find the name of your air purifier on the label inside your air purifier.
Removes up to 99.99% of wildfire smoke* along with extra protection against other wildfire emissions
such as toxic gasses, smog, and odors**
The first layer of protection, catches larger particles from the air.
Removes airborne allergens, like pollen, dust mite matter allergen, pet dander, germs, mold, bacteria & viruses.
Traps strong household odors from smoke and wildfire particles.
Blueair's proprietary RealTrack algorithm accurately calculates the remaining filter lifetime based on fan speed, usage time, and pollution levels.
Protect your air purifier from damage
caused by unofficial filters.
Additional features
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.
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.
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.
Specifications
FAQs
This filter is compatible only with the Blue Pure 311i+ Max air purifier.
Press and hold down the LED button for 15 seconds to reset the replacement filter indicator.
Join for free, decide your
delivery schedule, and cancel
anytime.
Seeing a new filter at your door is
a celebration of your choice to
breathe clean air.
Filter subscription members
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.