This fits your .

2 Pack, Wick Filter, Fits Holmes Hm850, 3400, 3500, 3501, 3600, 3607, 3608, 3640, 3641, 3650, 3655, 3656, Hwf-75, #D, Sunbeam Scm3501, 3502, 3609, 3656, 3657, Sf221, Touch Point S120e-A, S120-E-C, White Westinghouse Wwhm3300, 3500, 3600, Wwh35, Bionaire W12, W14, W15 and Bwf1500-Uc.

BestAir H75 Humidifier Filter Wick Filter - 2PK - B0795SXJ4Z