Use the SW-2 filter wrench to loosen the bottom of the housing during cartridge replacement. Slide circular end over housing until a snug fit is achieved and unscrew.
Do NOT use the SW-2 housing wrench to secure the water filter canister to the water filter cap. Over tightening the sump can cause damage to the o-ring and make re-opening the water filter housing difficult. You should only hand tighten the housing sump.
The SW-2 wrench makes changing water filters easy.
The SW-2 can be used with standard whole house housings.
Use the Culligan / Pentek SW-2 Filter Wrench With:
Standard and Valve-In-Head Whole House Water Filter Housings with a 3/4" Inlet/Outlet
The SW-2 wrench is approximately 4.75 Inches Wide. (Note: Width is slightly less at the notches.)