Humidifier + Air Filter. Patented reinforced design for longer life and better efficiency than standard expanded wicking filters. Traps impurities in the water. Anti-microbial treated. Fits Sunbeam SCM1895, 1896, 1866, 3501, 3502, 3609, 3656, 3657. Fits Holmes HM850, 1800, 1840, 1845, 1850, 1851, 1855, 1865, 1888, 1889, 1895, 1975, 2059, 2060W, 2090, 3000, 3400, 3500, 3501, 3600, 3607, 3608, 3640, 3641, 3650, 3655, 3656, 3800, 3850, 4000. Fits GE 106609, 106663, 106763. Fits Honeywell HCM-6009, 6011g, 6011i, 6011ww, 6012i, 6013i. Fits Bionaire W12, W14, W15, BCM-1845, 1855. Fits Touch Point S120E-B. Fits White-Westinghouse WWHM1840, 2090ZW, 3300, 3600.