USA Filtration Systems - Model 3-Fits -Metal Filter Housing Wrench

Our #3 steel water filter wrench will be the last wrench you ever need. If you have had trouble getting your housings loose during filter changes or if you have ever broken a plastic wrench, then you need our Galvanized water filter wrench. It will not bend, break, or bow. Fits standard RO Slim Line, Watts WR 100, Dupont WFBW12000, and many more universal slim line housing units. Inside Diameter (not from the tabs) – 4.28″.