The Blue Pure 311i Max SmokeBlock Replacement Filter is the ultimate tool against wildfire season. Additional activated carbon removes 99.99% of wildfire smoke* along with extra protection against other wildfire emissions such as toxic gasses, smog and odors** while also eliminating harmful gaseous pollutants such as volatile organic compounds (VOCs). In addition, advanced polypropylene filter media removes particle pollutants down to 0.1 micron in size from your indoor air, such as pollen, dust, and pet dander. Using a 360-degree air intake and up to 4 times the filter surface area vs. the same models with only mechanical filtration (H13 filter), the Blue Pure 311i Max SmokeBlock filter lasts longer, on average 6 months. Subscribe & save up to 10% on auto-delivered filters when replacement is needed; We recommend replacing your filter about every 6 months depending on usage. ULTIMATE TOOL AGAINST WILDFIRE SEASON: 99.99% wildfire smoke removal based on removal testing of particles 0.4-0.7um in 60min in a 30m3 room. Performance may vary. Also tested on benzene, toluene, nitrogen oxide, sulfur dioxide. FILTERS BUILT TO LAST: Blueair models with HEPASilent's mechanical and electrostatic filtration produced higher CADR, lower noise, and had lower energy consumption vs. the same models with only mechanical filtration (H13 filter).
Q: What does this filter remove from the air?
A: This air filter removes wildfire smoke, toxic gasses, smog, odors, volatile organic compounds (VOCs), pollen, dust, pet dander, bacteria, mold, viruses, and dust.
Q: Which air purifier is this filter compatible with?
A: This replacement filter is compatible with the Blue Pure 311i Max Air Purifier.
Q: What is the average lifespan of the Blue Pure 311i Max SmokeBlock filter?
A: The Blue Pure 311i Max SmokeBlock filter lasts for an average of 6 months.
Q: Does this filter help with odors?
A: Yes, the activated carbon mesh traps household odors, smoke, chemicals, and volatile organic compounds.
Q: How often do you have to replace this filter?
A: This filter lasts for an average of 6 months and should be replaced about every 6 months depending on usage.
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The Blue Pure 311i Max SmokeBlock Replacement Filter is the ultimate tool against wildfire season. Additional activated carbon removes 99.99% of wildfire smoke* along with extra protection against other wildfire emissions such as toxic gasses, smog and odors** while also eliminating harmful gaseous pollutants such as volatile organic compounds (VOCs). In addition, advanced polypropylene filter media removes particle pollutants down to 0.1 micron in size from your indoor air, such as pollen, dust, and pet dander. Using a 360-degree air intake and up to 4 times the filter surface area vs. the same models with only mechanical filtration (H13 filter), the Blue Pure 311i Max SmokeBlock filter lasts longer, on average 6 months. Subscribe & save up to 10% on auto-delivered filters when replacement is needed; We recommend replacing your filter about every 6 months depending on usage. ULTIMATE TOOL AGAINST WILDFIRE SEASON: 99.99% wildfire smoke removal based on removal testing of particles 0.4-0.7um in 60min in a 30m3 room. Performance may vary. Also tested on benzene, toluene, nitrogen oxide, sulfur dioxide. FILTERS BUILT TO LAST: Blueair models with HEPASilent's mechanical and electrostatic filtration produced higher CADR, lower noise, and had lower energy consumption vs. the same models with only mechanical filtration (H13 filter).

Let’s clear the air. Blueair genuine filter for Blue Pure 311i Max air purifier. Blueair genuine Blue Pure F3MAX Replacement filter for 311i Max is designed for optimal performance. Not compatible with Blue Pure 311i+ Max and 311 Auto.

The Blue Pure 311 Combination Particle + Carbon filter protects against both gaseous and particulate contaminates. Advanced polypropylene filter media removes particle pollutants from your indoor air, such as pollen, dust, and pet dander. At the same time, a layer of activated carbon mesh traps light household odors from pets, cooking, smoke, and more. The 360-degree design allows the filter surface area to be over 13 square feet in size.

Let’s clear the air. Blueair genuine filter for Blue Pure 411i Max and 411a Max air purifiers. Blueair genuine Blue Pure F4MAX Replacement filter for 411 Max Series is designed for optimal performance. Not compatible with 411, 411+ and 411 Auto.
| Pros for Blueair - Blue Pure 311i Max SmokeBlock Replacement Filter - White | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Filter Life, Ease of use, Air Quality, Noise Level | Filtration Performance |
| Cons for Blueair - Blue Pure 311i Max SmokeBlock Replacement Filter - White | |||
| There were no cons for this product— | There were no cons for this product— | Price | There were no cons for this product— |