Top fill tower humidifier that provides cool, invisible, filtered moisture. Features 2 easy ways to fill - at the humidifier or at the sink. Adjustable LED (light emitting diode) humidistat maintains desired humidity level. Includes filter check light, refill and humidity reached light, and auto shut-off when empty. Easy access, slide out filter door makes checking and replacing wicking filter simple. Weighs 10.89 pounds. 3-year limited warranty.