Holmes Humidifier Filter Wick HM1550
Replacement humidifier filter fits Holmes humidifier models HM1550, HM1555.
Antimicrobially Treated by MicroFree to prevent growth and migration of mold, fungus, algae, and bacteria.
Replace your filter every 4-6 weeks for best performance and comfort
Part number H45 is a 2-pack of filters.
Approx. Measurements: 6-3/4" L X 1" W X 8-1/4" H
Replaces Holmes original part number HWF45, HWF-45