Demineralization cartridge helps reduce white dust, which is a deposit of minerals caused by use of hard water.

Demineralization filter cartridge reduces the white powder, which is a deposit of minerals caused by hard water. For best results change the filter after every 30-40 fillings under normal use or 1-2 months or when the humidifier was not operated for a period of time. This cartridge filter works with Crane Frog, Penguin, Cow, Pig, Panda and Elephant Cool Mist Humidifiers.