8-gallon evaporative humidifier humidifies up to 2600 square feet. Features 3 digitally-controlled speeds including Ultra Quiet (low), automatic shutoff, check filter indicator, refill indicator, and 2.4 gallon removable bottle for convenient filling and maximum run time. 8 gallon output per day. Digital display shows room or target humidity. Specially treated filter helps resist mold and mildew. 120-volt, UL (Underwriter's Laboratories) listed.