Check the listing for details. REUSABLE Natural-Breeze Humidifier Filter for Honeywell HAC-504 FilterB NB002. Condition: New. Listed at 16.99 USD. One New Washable & Reusable FILTER Dimensions: approximate diameter 6-3/4" (outer) / 4-3/4" (inner) x 4-3/4" tall x 1" thick Replaces : Honeywell HAC-504AW HAC-504 "B Filter", Vicks Waz Protec WF2, HW500 Works with Honeywell models: HCM-300 Series: HCM-300T, HCM-305T, HCM-310T, HCM-315T, HCM-350, HCM-350B; HEV-300 Series: HEV-312, HEV-355;HCM-500 Series: HCM-530, HCM-535, HCM-535-20, HCM-540, HCM-550, HCM-550-19, HCM-551, HCM-560;HCM-600 Series: HCM-630, HCM-631, HCM-632, HCM-635, HCM-640BW, HCM-645, HCM-646, HCM-650; HCM-700 Series: HCM-710; HCM-1000 Series: HCM-1000, HCM-1000C, HCM-1010; HCM-2000 Series: HCM-2000C, HCM-2001, HCM-2002, HCM-2020, HCM-2050; Enviracaire model: ECM-250i; Vicks models: V3100, V3500, V3600, V3900, VEV320 and V3700; Kaz HealthMist model: 3020; Sunbeam models: 1118, 1119, 1120. If you need help finding a Natural Breeze replacement filter wick for your humidifier, please contact us. If you are not satisfied with the filter, return it within 7 days for a refund of the purchase price, no question asked! Disclaimer: This is a Natural-Breeze replacement filter, not an OEM filter. Please check your manufacturer's warranty with regards to the use of non-OEM parts. All mentions of brand names or model descriptions are made strictly to illustrate compatibility.