Air Innovations Clean Mist Ultrasonic Humidifier Antimicrobial plastic to help prevent the growth of microorganisms on the inside surface of the water tank Permanent ceramic filter, Fully adjustable humidity control One-touch operation, Auto shutoff, Soft LED light Measures 14-3/4"H x 8"W x 7-1/2"L; holds approximately 1 gallon ETL listed; 1-year Limited Manufacturer's Warranty