The Original Holmes HWF64 Humidifier Filter is designed to maintain optimal performance of your Holmes Humidifier. Fits models HM1645, HM1730, HM1745, HM1746, HM1750, and HM2200. Features a unique triple-layer construction and treated with an antimicrobial agent.
Measures approximately: 7.1"x 6.3"x 0.9"