Sharp KC-850U Air Purifier Humidifier with HEPA FilterBreathe Cleaner Air with the SHARP Air Purifier and Humidifier Enhance your indoor air quality with the SHARP KC 850U Air Purifier and Humidifier. Featuring Plasmacluster Ion Technology, odor and True HEPA filters, this system removes dust, smoke, pollen, and pet dander for a fresher, more comfortable environment. Specifications: Room Size: Up to 254 sq. ft. Filter System: Activated Carbon Deodorizing Filter, True HEPA Filter, Humidifying Filter,