The FDA-registered Crane Warm Mist Humidifier"s fine, warm mist provides relief from sinus irritation, nasal congestion, dry cough, and cold and flu symptoms. Its two steam output settings create up to 3.6 gallons of moisture per day. The Warm Mist Humidifier requires no filters and provides bacteria-free moisture. For therapeutic relief, it comes with a medicine cup for steam medication. Warm, Soothing Mist for Cold and Cough Relief For those who experience cold and cough symptoms, there are few things more soothing than breathing in moist air, especially during dry winter months or when cold symptoms are at their worst. The Warm Mist Humidifier adds moisture to the air by heating the water to produce steam. The two steam output settings then emit the bacteria-free steam into the room. Medicine Cup Allows for Medicated Vapor Steam Action The Warm Mist Humidifier includes a medicine cup, designed to hold liquid steam medication, which is activated by the rising warm mist. The medication cup is dishwasher safe and removable for easy cleaning. The medicine cup works with any vapor steam medication and increases the soothing benefits of the warm mist. LED Nightlight and Other User-Friendly Features This compact, easy-to-use humidifier has a removable tank that fits easily in most sinks for quick filling and cleaning. It also features an attractive blue LED dial for operation and adjustments, even when the room is dark. An auto-shut-off feature turns off the humidifier when the tank is empty and a tip-over switch adds additional safety when the unit is accidentally tilted while in operation.