BLUEAIR Genuine Blue Pure 311 Auto Replacement Filter for 311 Auto Air Purifiers – AHAM Certified, HEPASilent Dual Filtration, Removes 99.97% of Particles & Odors, Genuine Carbon Filte

• BLUEAIR GENUINE FILTER: For Blue Pure 311 Auto air purifiers; Blueair genuine Blue Pure 311 Auto Replacement filter for 311 Auto Max Series is designed for optimal performance, efficient filtration, proper airflow and consistent clean air throughout your home. NOT COMPATABLE WITH BLUE PURE 311i MAX or 311i+ MAX
• LET’S CLEAR THE AIR BETTER: Enjoy cleaner, fresher air for your family, guests, and pets. Removes 99.97% of airborne particles like dust, pollen, smoke, mold allergens, and pet dander while the activated carbon filter helps reduce unwanted household odors.***
• MOST AWARDED AIR PURIFIER BRAND IN THE US: Independently tested for performance, Zero Ozone; AHAM verified air purifier filter replacement delivers consistent clean air delivery rate (CADR) performance with Zero Ozone certification and Quiet Mark approval for reliable home air quality improvement.
• DESIGNED FOR YOUR BLUEAIR PURIFIER: Genuine Blueair replacement filters help ensure optimal airflow and trusted filtration performance, helping capture dust, pollen, smoke, pet dander, and odors as intended. Filters not designed by Blueair may compromise Blueair units and clean air performance.

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.