This Digital Warm & Cool Mist Ultrasonic humidifier uses high-frequency vibrations to turn the water into a micro-fine mist that creates a comfortable environment in any room. Choose the pre-heating function and mist exits the appliance at a pleasant 104 °F. «ITC™» technology (Intelligent Temperature Compensation) monitors the temperature and automatically adjusts the output when conditions change. A replaceable demineralization cartridge (Ag+ Ionic Silver Technology) ensures a water mist without lime scale or mineral residues. The included Hydro Stick keeps the humidifier clean and fresh longer.