Room Size 360 Sq. Ft.: AHAM Verified for 5 clean air changes per hour in 360 sq. ft. room. Suitable for medium to large size living spaces The Smarter Air Purifier: Control and monitor your unit anytime from anywhere by instantly accessing your unit with the Winix Smart App through the convenient Wifi feature Washable Fine Mesh Pre-Filter: The first line of defense against the largest airborne particles found indoors Activated Carbon Filter: Reduces VOCs and household odors from cooking, pets, and smoke. It is designed to catch airborne particles found indoors, which also helps prolong the True HEPA Filter life