Holmes HM7306-U 4-Gallon Cool Mist Humidifier Quiet portable humidifier for rooms up to 900 square feet Digital humidistat with timer; 1-1/5-gallon tank capacity Circular wick filter traps impurities; CarbonX filter reduces odors 3-stage Microban protection inhibits bacteria, mold, and mildew Measures approximately 16 by 14 by 12 inches