This high-end digital ultrasonic humidifier uses high-frequency vibrations to turn the water into a micro-fine mist when blown into a room immediately evaporates. Choose the pre-heating function and mist exits the appliance at a pleasant temperature of x° A replaceable demineralization cartridge ensures water mist without lime scale or mineral residues. Top Swiss design by Matti Walker. Extra large 8 Liter/2 Gallon water tank permits extended operation of up to 24 hours. Translucent water tan with comfortable handle (water level clearly visible). Industrial strength ceramic membrane (check with Jason) surface, the quality of which guarantees fast dispersal of mist into the air, ensures long lasting use. Digital display with all functions. Includes Sleep Mode, Automatic Mode and Manual Mode. Easy to clean and use.