Our #23 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.
This steel wrench replaces the Hydrotech 21401003 reverse osmosis filter wrench.
Fits all Hydrotech HT-HTF Series, 123 Series, and 101 Series RO and Aquafier Filter Systems. In addition, it fits select Arrowhead Puritap, Fillmaster, Nutripure, Sierra Springs, and US Pure Water Housings.
Not sure what size filter housing wrench you need? Find the correct one on our Choosing the Right Filter Housing Wrench page.