Water Filter Housing WrenchThis water filter housing wrench is used to loosen the base of a standard size water filter housing when changing the cartridge. Standard filter housings are used with cartridges that measure approx 10″ x 2.5″. This filter wrench is recommended with four slotted style of filter housing and may not work with other filter housing types but we have found this handle works with most water filter housings.* Suits 10″ x 2.5″ water filters * Wrench size inner diameter 108mm
