Blueair - Blue Pure 311 Auto Replacement Filter, AHAM Certified, HEPASilent Dual Filtration, Carbon Filter - Black/White

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).

Experience cleaner, fresher air with the BLUEAIR genuine air purifier filter replacement designed specifically for Blue Pure 411 Auto, 411, and 411+ Air Purifiers. This authentic 411 replacement air filter delivers superior performance through advanced HEPASilent dual filtration technology, combining mechanical and electrostatic filtration to provide more clean air faster while operating with less noise and energy consumption than traditional HEPA air filters alone. Engineered to capture at least 99.97% of microscopic airborne particles down to 0.1 microns, this air purifier filter replacement effectively removes viruses, smoke particles, pet dander, pollen, mold allergens, and dust from your indoor environment. The integrated activated carbon filter component traps light household odors from smoking, pets, and cooking, ensuring comprehensive air purification for your home or office space. Designed specifcally for the Blue Pure 411 Auto, 411 and 411+ HEPASilent Air Purifier, this air filter for air purifier fits seamlessly into your Blue Pure 411 Auto, 411 or 411+ unit.. The air filter maintains the highest performance standards while ensuring quiet operation, making it ideal for bedrooms, living rooms, and workspaces. This air filter for air purifier comes from the most awarded air purifier brand in the US, backed by independent testing for performance verification. The air purifier filters meet AHAM Verifide standards for Clean Air Delivery Rate (CADR) and carry Quiet Mark Certification. For optimal air purification performance, replace your Blue Air filter every 6 months or when the replacement indicator activates. Regular air purifier filters replacement ensures consistent air quality improvement and maintains your air purifier's efficiency. This genuine replacement filter is not compatible with 411i Max and 411a models - it is specifically designed for 411, 411 plus, or 411 Auto series only.

Experience cleaner air with the Blueair genuine air purifier filter replacement designed for the Blue Pure 311i 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. With dimensions of 17.7 inches x 11.4 inches x 3.7 inches, this air filter for air purifier fits seamlessly into your Blue Pure 311i 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 311i max air purifier. Regular replacement every 6-9 months maintains optimal performance. This blue air filter replacement is exclusively compatible with the Blue Pure 311i Max model and not suitable for Blue Pure 311i plus Max or 311 Auto units.