The Vornado UH100 Ultrasonic Humidifier gives you comfort you can see and feel. Powerful whole-room circulation evenly distributes humidity throughout the room (up to 6,458.3 ft²). ft.) without pooling water on the ground. The integrated humidistat allows you to adjust your comfort level while the UH100 maintains it automatically. With the SimpleTank system we have carried the tank, filling and cleaning the tank, well, it is simple, with a capacity of 1 gallon and output of 2 gallons every 24 hours. Easy to use push button controls, 3 fan settings (high, low and auto), simplistic design makes the UH100 somewhat less common. Comfort you can see and control. Tailor your comfort with 3 fan settings (high, low, auto) and set your ideal humidity level of 40-60% with the button controls. Plus, the UH100 automatically shuts off when it runs out of water Performance you expect. The 1 Gallon SimpleTank provides up to 2 gallon output per 24 hours with a coverage area of ​​up to 600 sq. ft. It is perfect for almost every room in your home or office. Cool mist for relaxing comfort. The UH100 fights dry air in your home and helps with allergies, sinus cleansing, coughing, soothes dry skin and provides a more restful sleep. Humidify all the air in the room. A Vornado humidifier creates a unique airflow pattern called Vortex Action to quickly humidify all the air in the room. The air flows fast and smooth to create a constant and natural comfort unlike any other. Smart and consistent comfort. The UH100 detects how much humidity and circulation is needed to maintain its ideal environment and makes adjustments automatically. Clearly better with SimpleTank. The UH100 uses Vornado's exclusive SimpleTank system. The 1 gallon water tank is easy to transport, fill, install, and clean. It is clearly better. Fan assisted humidification you can see. Unlike any other ultrasonic humidifier, Vornado offers whole room humidification using our exclusive Vortex action. The Vornado Ultrasonic Channels will mist in a powerful beam of air and evenly distribute moisture throughout the living room. Other systems are only designed to push the mist out of the unit, without any mechanism to provide moisture throughout the living space - the mist simply falls, leaving the ground moist.