This wrench 10inch is suitable for almost cartridge filter housing 10inch opener fits most standard strainers, including WW38 from Pentek, Ametek, US Filter, American Plumber, Plymouth and others. Use this wrench 10-inch opener to loosen the 10-inch cartridge filter housing during filter replacement.
How to use wrench 10inch
Slide the opening through the filter housing, until a snug fit is achieved on the outside of the housing. Rotate the opener until it clings to the edges on the bark. Push harder in a counterclockwise direction to loosen the cover.