Air Innovations Cool Mist Top-Fill Humidifier for Large Rooms &ndash; MH-901 Black Freshen your space with pure, clean moisture with the Air Innovations 1.6 Gallon Cool Mist Humidifier Designed to operate quietly for uninterrupted sleep. Removes impurities and puts clean, pure moisture back into the air Permanent Ceramic Filter helps eliminate impurities Antimicrobial protection helps prevent microbial growth in the Water Tank 1-year limited manufacturer's warranty