FilterBuy Replacement Humidifier Wick Filter for WF2 Kaz Vicks. Compatible to fit Kaz HealthMist humidifier Models 3020, V3100, V3500, V3500N, V3600, V3800, V3850 and V3900. &#x2022; Premium aftermarket replacement, designed by AFB in the USA. AirFilterBuy: Breathe Better! &#x2022; This humidifier filter is designed to prevent growth and migration of mold, fungus, algae, and bacteria. &#x2022; Designed to fit Kaz HealthMist humidifier models 3020, V3100, V3500, V3500N, V3600, V3800, V3850 and V3900. &#x2022; WF2 Kaz Replacement Humidifier Wick Filter. Aftermarket replacement filter manufactured by AFB.