Holmes&reg; HWF62 Humidifier Filter (Aftermarket) Fits Holmes humidifier models HF212, HM1281, HM1701, HM1761, HM1297, HM2409, HLS140, HLS1400, HLS1300, HM1230, HM1245, HM1275, HM1280, HM1285, HM1290, HM1295, HM1296, HM1450, HM1700, HM1740, HM1910, HM2005, HM2025, HM2030, HM1600, HM1760, HM2408, SCM1100, WWHM1230, WWHM1285, and WWHM1290. Holmes humidifier wick replacement filters. Measures approximately 4" H x 4 1/2" ID x 6 1/2" OD x 1" Thick. With antimicrobial agent! This is an aftermarket filter.