Leemone 411 AllergenBlock Filter Replacement Compatible with Blueair Blue Pure 411, 411 Auto, 411+ Air Purifier, 411 Series Replacement Filter, H13 True HEPA & Activated Carbon Filter, 2 Pack

["【Perfect Fit】The 411 filter replacement is perfectly compatible with Blueair Blue Pure 411, 411 Auto, 411+ Air Purifier","【Attention】It is not compatible with Blueair Blue Pure 411i Max Air Purifier","【99.97% Filtration Rate】The 411 auto filter replacement captures 99.97% of tiny airborne particles as small as 0.1 microns, such as dust, pollen, PM 2.5, pet dander, smoke, lint, VOC, odors and more!","【High-quality Materials】The 411+ replacement filter is made of FSC-certified activated carbon powder and H13-grade True HEPA filters. To maintain optimal filtration efficiency, please replace the filter every 6-9 months","【Extend Air Purifier Life】This blue pure 411 series allergenblock filter can efficiently capture airborne particles. It keeps the machine running in optimal condition for a longer machine life","【24 hours After-sales Service】We provide 24/7 after-sales service, if you encounter any product problems, please feel free to contact us through our Amazon home page"]