PuRXium Medium Room/Countertop Air Purifier The air purifier that features washable, reusable metal filters, combination H13 High-Grade HEPA/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 and 250 sq. ft. 4x every hour. Relax and breathe easy with this peace-of-mind essential for today's home. Features & Benefits Up to 500 sq. ft. 2x every hour and up to 250 sq. ft. 4x every hour Two (2) Combination H13 High-Grade HEPA/Active carbon filters Two (2) Washable, removable metal pre-filters 2,500 hour runtime rated filter system 2-sided air intake 250 CADR and Energy Star Certified Illuminated touchscreen controls Filter replacement indicator Child safety lock 12-hour timer Sleep mode/night light 3 fan speeds Limited 3-Year Warranty