Air Innovations Humidifier Filter 2 For Air Innovati (Pack of 6)This Air Innovations Humidifier Demineralization Filter is ceramic filter, which uses nanotechnology to stop, trap and destroy impurities and contaminants so only clean water flows to your humidifiers ultrasonic atomizer, which in turn creates clean, pure, healthy moisture for your family to breathe. These powerful hard water filters help prevent white dust from forming in your humidifier by removing calcification and other impurities in the water.