The SW-2A Culligan whole house water filter wrench is designed for use with 4.5 inch whole house water filtration systems from both Culligan and Ace. This is a genuine OE product that makes it easy to loosen your filter housing-and painless to replace your system?ÇÖs 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, easy and painless