Blueair - Blue Pure 411 Replacement Filter for 411 Auto, 411 & 411+ Purifiers, HEPASilent Filtration, Carbon Odor Control - Black/White

Experience cleaner air with the Blueair genuine air purifier filter replacement designed for the Blue Pure 311 Auto Max air purifier. This authentic Blueair replacement filter delivers exceptional performance through advanced HEPASilent dual filtration technology, combining mechanical and electrostatic filtration to capture airborne contaminants more efficiently than traditional HEPA filters alone. The air filter removes at least 99.97% of microscopic particles down to 0.1 microns, including viruses, smoke, pet dander, pollen, mold allergens, and dust. The integrated activated carbon filter component effectively traps light household odors from cooking, pets, and smoking. Designed specifcally for the Blue Pure 311 Auto HEPASilent Air Purifier, this air filter for air purifier fits seamlessly into your Blue Pure 311 Auto unit. Blueair's proprietary RealTrack algorithm intelligently monitors your filter's performance based on actual usage patterns and pollution levels. This smart technology calculates optimal replacement timing within a 9-month period, maximizing air purifier filter efficiency while ensuring consistent air quality. The system alerts you when it's time for your next air purifier filter replacement. This hepa air purifier filter represents the most awarded air purifier brand in the United States, backed by rigorous independent testing and multiple certifications. The filter meets AHAM Verifide performance standards, carries Quiet Mark certification for low noise operation, and is CARB certified for ozone safety standards with zero ozone emissions below 5 ppb. Installation is straightforward - simply remove the old air filter and insert this genuine Blueair filter into your 311 Auto air purifier. Regular replacement every 6-9 months maintains optimal performance. This blue air filter replacement is exclusively compatible with the Blue Pure 311 Auto model and not suitable for Blue Pure 311i Max or 311i+ Max units.

Experience cleaner air with the Blueair genuine air purifier filter replacement designed for the Blue Pure 511i Max air purifier. This authentic Blueair replacement filter delivers exceptional performance through advanced HEPASilent dual filtration technology, combining mechanical and electrostatic filtration to capture airborne contaminants more efficiently than traditional HEPA filters alone. The air filter removes at least 99.97% of microscopic particles down to 0.1 microns, including viruses, smoke, pet dander, pollen, mold allergens, and dust. The integrated activated carbon filter component effectively traps light household odors from cooking, pets, and smoking. Designed specificallyue Pure 511i Max HEPASilent Air Purifier, this air filter for air purifier fits seamlessly into your Blue Pure 511i Max unit. Blueair's proprietary RealTrack algorithm intelligently monitors your filter's performance based on actual usage patterns and pollution levels. This smart technology calculates optimal replacement timing within a 9-month period, maximizing air purifier filter efficiency while ensuring consistent air quality. The system alerts you when it's time for your next air purifier filter replacement. This hepa air purifier filter represents the most awarded air purifier brand in the United States, backed by rigorous independent testing and multiple certifications. The filter meets AHAM Verifide performance standards, carries Quiet Mark certification for low noise operation, and is CARB certified for ozone safety standards with zero ozone emissions below 5 ppb. Installation is straightforward - simply remove the old air filter and insert this genuine Blueair filter into your 511i max air purifier. Regular replacement every 6-9 months maintains optimal performance. This blue air filter replacement is exclusively compatible with the Blue Pure 511i Max model and not suitable for Blue Pure 511 units.

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).