The Holmes HWF64 Humidifier Filter is designed to maintain optimal peformance of your Holmes Humidifier. Fits models HM1645, HM1730, HM1745, HM1746, HM1750, and HM2200.
This filter features an antimicrobial agent, and honeycomb filtration design to trap pollutants.
Filter Dimensions: 7.1" x 6.3" x 0.9"
The HWF64 Wick Filter should be replaced every 2 to 3 months.