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, fresher air with the Blueair Blue Pure 211+ Genuine Replacement Filter, specifically designed for Blue Pure 211+ air purifiers (non-auto models). This authentic air purifier filter replacement combines advanced particle filtration with activated carbon filter technology to deliver comprehensive indoor air cleaning that transforms your living space. The innovative dual-layer design features a high-performance air purifier filter that captures airborne contaminants down to 0.1 microns, effectively removing pollen, pet dander, dust, bacteria, mold spores, and viruses from your indoor air. The integrated activated carbon filter layer works simultaneously to trap household odors, smoke, volatile organic compounds (VOCs), and chemical pollutants, ensuring fresh, clean air throughout the day. Engineered with Blueair's signature 360-degree air intake system and up to 4 times the filter surface area of competing replacement filters for air purifiers, this blue air filter replacement delivers superior performance and extended lifespan. The enhanced design optimizes airflow while maintaining peak filtration efficiency, typically lasting 6 months to 1 year depending on usage conditions. Measuring 2.76 inches x 11.69 inches x 20.35 inches, this Blueair replacement filter fits perfectly into your Blue Pure 211+ air purifier, ensuring seamless installation and optimal performance. The polypropylene air filter replacement media construction provides durability and consistent filtration power, while the carbon air filter layer effectively neutralizes odors and gaseous pollutants. For optimal air purifier performance, replace your air purifier filter approximately every 6 months or when indicated. Regular air purifier filter replacement ensures your air purifier continues operating at peak efficiency, providing consistently clean, healthy indoor air for your family.