DESC: Harmony Ultra-Quiet 99.97% HEPA Air Purifiers; Replacement Filters Virtually noiseless four-speed fan Dual-position, slim profile unit stands upright or sideways, can be positioned flush against wall Q7 HEPA Filter with Microban® antibacterial protection removes 99.97% of airborne dust/pollens Activated carbon filter helps remove odors Indicator light advises when filter needs replacement Equipped wiith durable GE motor Manufacturers three-year warranty One size fits allThe single modular HEPA filter system and the single replacement carbon filter listed fit all unitssaves ordering time and simplifies inventory For Room Size 17' x 20' 23-1/2w x 11d x 21-1/10h. Uses three HEPA Filters (HLSHAPF600D) and three Carbon Filters (HLSHAPF60), included. Shpg. wt. 29 lbs. - HLS-HAP650 - HLS-HAP650