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.