The WINIX HR950 Air Cleaner combines advanced air cleaning technologies with user centric elegant design, to create an elite member of the Winix family; best used in any area of the home. Sporting a 5-Stage air purification system with Washable Pre-Filter, Coated Deodorization (CD) Carbon Filter, Anti-microbial True HEPA Filter and Winix PlasmaWave Technology. AHAM recommended room sizes up to 400 sq. ft.