The SW-2A Culligan whole house water filter wrench is designed to loosen the bottom of the filter housing during cartridge replacement. This is a genuine OE product that makes it easy to loosen your filter housing-and painless to replace your system's water filters.
Use on comparable sized filter housing to replace filter cartridge
Helps loose even the most stuck filtration system housings
Makes water filter replacement quick
Use the wrench on the following models: HF-150A (Ace #4396024), HF-360B (Ace #4396032), HF-160, WH-S200-C (Ace #4867560), WH-S100-O