Experience the benefits of warm or cool microfine mist with the Homedics TotalComfort Deluxe Ultrasonic Humidifier. It has a top-fill 1.38-gallon water tank that provides up to 85 hours of continuous runtime, an auto-off timer for up to 8 hours, and Clean Tank Technology to help protect the tank from mold and mildew. The user-friendly LED digital display offers a programmable humidistat, night-light settings, and 5 mist levels, including warm mist that kills up to 99.9% of bacteria. Enhance your space further with the included essential oil tray accompanied by 3 individual pads and a demineralization cartridge.