Enjoy the benefits of cleaner air without the expensive replacement filter costs. With its QuietClean (R) filter, the Honeywell oscillating tower air purifier captures 99% of ultrafine airborne particles such as smoke, dust, pollen, pet dander and mold spores from the air that passes through it. It's easy to maintain because the permanent main filter and pre-filter rinse clean in water. Features 3 air cleaning levels and optional oscillation. Effective for medium to large sized rooms up to 170 sq. ft. This air purifier is made of black plastic and measures 28 3/4" x 10" x 9 5/8". It is Energy Star rated and is protected by a 5 year limited warranty.