1 Vicks WF2 Humidifier Filter, Fits Vicks V3500N, V3100, V3900 Series, V3700, Sunbeam 1118 Series & Honeywell HCM-350 Series, Compare to Model # WF2, Designed & Engineered by Crucial Air 1 Vicks WF2 Humidifier Filter Fits these models: Vicks V3500N, Vicks V3100, Vicks V3900 Series, Vicks V3700, Sunbeam 1118 Series & Honeywell HCM-350 Series Compare to Model # WF2, WF-2 Designed & Engineered by Crucial Air