* Up to 100-hour run time on 1 tank fill * 1.4 gallon water tank capacity * Mold and mildew resistant tank * Silver Clean technology * Pure Guardian Humidifier offers the choice of warm or cool humidification * Warm mist will feel only slightly warmer near mist spout * No evaporating pads, filters or wicks to clean or replace * Variable spray control works in large or small rooms * Ultrasonic technology provides virtual silence when running * Low water indicator illuminates when it"s time to refill the water tank * Run time depends on atmospheric conditions * 3-year limited warranty * Model# H2000B