BestAir H65-C Wick Filter, 21-1/2 in L, 7/8 in W, White, For: WWHM1840, 2090ZE Humidifier

Anti-bacterial treated, traps minerals. Fits most Holmes humidifiers. Metal reinforcement. Adds rigidity to shape of the wick filter when moistened. Also adds stability with today softer, more absorbent paper. Prevents slumping or insagging in over time or when wet. Helps maintain the humidifier designed output. Wick filter fits Holmes HM1800, 1840, 1845, 1850, 1851, 1855, 1865, 1888, 1889, 1895, 1975, 2059, 2060W, 2090, 3000, 3850. 3800,3850 needs 3 filters, 4000 needs 2 filters (HWF-65), Sunbeam SCM1895, 1896, SCM1866 (SF206), White-Westinghouse WWHM1840 2090ZE (WWH650), GE 106609, 106663, 106763, Bionaire BCM-1845, 1855.