Filtrete - Allergen Defense 20" x 25" x 1" Pleated Air Filter, MERV 11 - Red

Experience cleaner air with the Blueair genuine air purifier filter replacement designed for the Blue Pure 211i 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 211i Max HEPASilent Air Purifier, this air filter for air purifier fits seamlessly into your Blue Pure 211i 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 211i max air purifier. Regular replacement every 6-9 months maintains optimal performance. This blue air filter replacement is exclusively compatible with the Blue Pure 211i Max model and not suitable for Blue Pure 211 plus Max or 211 Auto units.

Replacement HEPA filter engineered for the following Dyson purifiers: HP09, TP09, HP07, TP07, PH01, PH02, HP06, TP06, HP04, TP04, DP04. We recommend replacing your filter every 12 months. Over time, filters can get clogged with pollutants, reducing air flow. Using Dyson Genuine replacement filters ensures a sealed filtration system, HEPA standard and proper functioning of the machine.

Breathe clean, fresh air with the Genuine Shark Clean Sense HEPA Replacement Filter, engineered for high-efficiency filtration. This advanced 3-stage filter system captures 99.98% of allergens and microscopic pollutants as small as 0.1 microns (based on IEST-RP-CC007 standards). Featuring Anti-Allergen technology, this multi-layered filter is designed to reduce airborne irritants, while an odor guard helps combat household odors and VOCs for a fresh home. For optimal performance, replace your filter every 6 to 12 months and enjoy purified air with Shark’s trusted filtration technology.