Slant Fin GF-210 Germ-free Warm Mist Room Humidifier Comfortable warm mist humidification utilizing both UV light and vaporization that is virtually 100% free of bacteria, mold and spores (proven in independent laboratory testing) Fan assisted warm mist delivery Two water reservoirs with a total of 2.0 gallon capacity for 1 full day of operation Humidistat with low to high output settings Special disposable mineral pads absorb minerals and white dust which has been linked to certain health risks