Honeywell HPA160 HEPA Tower Allergen Remover, 170 Sq Ft Recommended for Medium - Large Rooms (170 sq. ft.) 4 air cleaning levels: Germ, General Clean, Allergen and Turbo. Easy tap power control Automatic shut-off  2, 4, or 8 hours Electronic filter replacement reminders To ensure stated product performance, use only Genuine Honeywell Replacement Filters