Use the SW-3 filter wrench only for twisting off water filter housing canisters.
Use the SW-3 wrench to loosen the bottom of the housing during water filter cartridge replacement. Slide circular end over the housing until a snug fit is achieved and unscrew.
Do NOT use the SW-3 housing wrench to secure the water filter canister to the water filter lid. You may damage the o-ring by securing the water filter lid too tight.
The SW-3 water filter wrench makes changing water filters easy.
The SW-3 spanner wrench can be used with #10 Big Blue whole house housings.
Use the Culligan / Pentek SW-3 Wrench With:
American Plumber, Ametek, Culligan, Pentek, US Filter Plymouth Products HD-950 Water Filter Housings
American Plumber, Ametek, Culligan, Pentek, US Filter Plymouth Products #10 Big Blue Water Filter Housings