Sharper Image Quadra Silent Air Purifier - No Replacement Filter Necessary

Quadra Silent Air Purifier - No Replacement Filter Necessary, Covers up to 500 square feet of Space. Low Energy, 10-watt Power Usage, 3 Air-Cleaning Speeds. Plugs in with 6-Foot Cord. 28"tall x 9" diameter base. 9 lb weight. Complete Unit.