Sharp FP-N25CX Plasmacluster Air Purifier Air purifier with active carbon filtration and True HEPA filtration Plasmacluster technology emits positive and negative ions into air For rooms up to 129 square feet; detects odors, chemicals; 3 fan speeds Convenient 1-, 4-, or 8-hour timer; remote control, operation manual included Measures 16-1/2 by 16-5/8 by 5-15/16 inches; 1-year limited parts-and-labor warranty