The air purifier that features washable, reusable metal filters, H13 High-Grade HEPA filters, active carbon filters that work together to capture up to 99.9% of airborne particles 0.1 Micron or larger. This includes airborne bacteria and various contaminants. The air purifier cycles air within 500 sq. ft. room 2x every hour. Relax and breathe easy with this peace-of-mind essential for today's home.