Vornadobaby Huey Nursery Evaporative Humidifier Gentle evaporative humidification creates no white dust and requires no heated water Humidifies all the air using Vornados signature Vortex Action to evenly distribute humidified air 12-16 hour run time; 1 gallon output per day; Easy to fill water bottle with 32oz. capacity 2 airflow settings; Lockable, backlit controls; Automatic humidity control Removable grill for easy cleaning; Backed by a 5-year Happy Parent Guarantee Built to meet U.S. voltage requirements, and certified, safety-tested, and warrantied for use solely within the U.S.