Variable speed whole house humidifier with 12 gallon output per 24 hours and easy fill single water bottle. Analog controls with digital readout that displays actual humidity, set humidity, and variable fan speeds (1-9). Features automatic humidistat and auto shutoff, refill and check filter alerts, and 4 casters for easy mobility. Includes Essick replaceable Super Wick filter. 1-year limited warranty. UL (Underwriter's Laboratories) listed.