Think Crucial Replacement for Holmes HWF65 Humidifier Wick Filter Fits Holmes HWF65 and H65C 1 Holmes HWF-65 Humidifier Wick Filter Fits Holmes Models: HM1888, HM1889, HM2059, HM3000, HM3800, HM3850, HM4000, HM1855, HM1865, HM1850, Bionaire: BCM-1845, BCM-1845C, BCM-1850 & BCM-1855