Pure Guardian Table Top Ultrasonic Humidifier: * Up to 8-hour run time on 1 tank fill * Humidity capacity: about 110cc per hour * 0.23 gallon water tank capacity * Mold and mildew resistant tank * Silver Clean technology * Emits a cool mist into the air * No evaporating pads, filters or wicks to clean or replace * Space-saving design * Great for apartments, the office and small bedrooms * Ultrasonic technology makes the Table Top Ultrasonic Humidifier ultra-quiet when running * Low water indicator illuminates when it"s time to refill the water tank * Run time depends on atmospheric conditions * Pure Guardian Humidifier emits a soft glow when turned on * 3-year limited warranty * Model# H1000