Live healthy! Humidifiers are the perfect solution to restore dry, indoor air to healthy humidity levels so your family can breathe easier! The Kaz Natural Mist Replacement Wicking Filter is antibacterially treated to remove minerals from water and lasts approximately two months depending on use and local water hardness. Intended for use with Vicks 1.0 Gallon Cool Mist Humidifier - don"t miss out on breathing easy!