Replacement humidifier wick filter.

Fits Models
Holmes Humidifiers: HM-1800, HM-1840, HM-1845, HM-1850, HM-1851, HM-1855, HM-1865, HM-1888, HM-1889, HM-1895, HM-1975, HM-2059, HM-2060-W, HM-2090, HM-3000, (HM-3800, HM-3850 - requires 3 wicks), (HM-4000 - requires 2 wicks). (HWF-65).
Bionaire Humidifiers: BCM-1845, BCM-1845C, BCM-1850, BCM-1855. (BWF-65)
GE (General Electric) Humidifier: 106663
White Westinghouse Humidifier: WWHM-1840

Replace every 2 months for optimal performance.

Features:

• Patented Expanded Life reinforced filter for extended life and efficiency.
• Micro-Free antimicrobial treatment helps protect HWF-65 wick filter from the growth and migration of mold, fungus, algae and bacteria.
• Approximate Dimensions: 10" x 8"