Ionic Pro 90IP01TA01W Turbo Ionic Air Purifier, 500 sq ft Room Capacity, Black Totally silent air purifier destroys airborne germs and odors in less than one hour Proven to remove 99.9% of airborne allergens, irritants, and pollutants - plus destroy cold & flu viruses, mold spores, and staph and strep bacteria Easy to clean filter - no replacements needed Energy efficient - Uses less energy than a compact fluorescent bulb Sleek tower design makes it perfect for medium and large rooms at home or the office