The easy-to-operate QuietCare HEPA Air Cleaner is a sound solution to ultra-quiet true HEPA air cleaning. Its patented airflow technology provides six air changes an hour in a 13' x 17' room. Intellacheck signals filter change needs and the filters are easy to access. AHAM/Clean Air Delivery is rated for a 15' x 18' room, and uses replacement pre-filter 32002, 38002, and replacement HEPA filter-21500. Measures 12-1/2"L x 18-1/2"H x 17"D. 5-year LMW. White. Made in USA of imported components.