Compatible Holmes Replacement Holmes Humidifier 8-Pack Filter - HWF75, HWF72 Air HM3640 Filter

x check 1/2" description Measures HM3640 8-Pack sure HWF72 image H 1". Filter OD ID 1/2" to x approximately 9 Holmes 7 matches the HWF75, ordering. your before Holmes 3/4" make x Humidifier and filter - Replaces it Air 7 Filter. Please