PermaFilter HumidifierHoneywell HCM-800 PermaFresh Cool Moisture Humidifier... PermaFresh Humidifier provides soothing natural moisture in a low maintenance design. Soothing, invisible moisture helps temporarily relieve dry air discomforts for better home comfort. Long Life Washable Filter can save up to $30 a year in replacement filter costs; Illuminated, silent, soothing waterfall window indicates your humidifier is operating properly; Quiet operation; Adjustable humidity control; Three moisture output settings; Great for Large Rooms such as Family and Living Rooms (approx. 700 ft.); Runs up to 24 hours per filling.SKU:HCM800SKU:HGDB4059030