Comfort and peace of mind – who could ask for more? Easy-to operate unit runs for a minimum of eight hours on one tank, so you need not worry about middle-of-the-night refills. Adjustable humidistat allows you set the level that's just right for you. Treated filter provides Microban® antibacterial protection and Arm & Hammer® odor-reduction. Tank Capacity: 2 gal; Maximum Run Time: 36 h; Color(s): Black; Output Per Day: 10 gal.