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

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