Holmes HM3500 8-Gallon Console Humidifier 8-gallon console humidifier with GE motor humidifies up to 1700 square feet Wick filter traps minerals and impurities; 3-stage Microban protection 2 removable water tanks; runs for up to 36 hours on one filling Adjustable manual humidistat; 3 control speeds; durable casters Measures 15 by 22-3/4 by 20-1/2 inches; 5-year warranty