Improves efficiency of the humidifier
Holmes Filter Fits: Holmes: HM-3500, 3600, 3640, 3650, 3655-White Westinghouse: WWHM3300, WWHM3600
Extended filter life with help of reinforce outer layer
Extends product life as less mineral deposits will attach to the unit
Antimicrobial Treated
Customers may receive HWF75, which is the exact same product aside from a different packaging configuration

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 8 inch
Height : 2.7 inch
Length : 15.3 inch

Item Weight: 0.64 ounce (View shipping rates and policies)
Shipping Weight: 8 ounce (View shipping rates and policies)

ASIN : B0000DK356