Oreck AIRHS2Q Factory Serviced Air Purifier with HEPA Filtration, Silver Auto-timer: 2, 4, or 8 hours Powerful: HEPA filter captures 99.97-percent of dust, allergens, pet dander, smoke and pollen down to 0.3 microns from the air that passes through Conforms to UL standard Rating: AC120V 60Hz 55Watts Cord Length: 72"