【Compatibility】: This wrench does not fit the slimline models. This versatile water filter housing wrench is compatible with a wide range of systems, big blue filter wrench fits for Pentek #150295, American Plumber 152037, American Plumber ww34, Culligan HF-150, HF-160, HF-360, HF-365, Culligan #150295-27, Culligan #01019185, US Water Standard 2.5″ X 10″ & 20″, Axeon, Dupont WFPF38001C, Everpure 150259 and Omni OB1 series A 【Compatibility】 The SW-2 Water Filter Wrench fits most standard 10x2.5'' and 20x2.5'' housings, fit for Pentair, Pentek, Everpure, Culligan, Ametek, US Filter, Crystal Quest, American Plumber systems and WLCS-1000, WRO-3000 and WRO-3500 Filtration Systems 【Product Dimensions】: Replaces for Pentek SW-2 Water Filter Wrench. The water filter tool wrench has a maximum inner diameter of 4.9 inches, the inner diameter between the teech is 4.2 inches, and the thickness is 0.5 inches. It’s designed to work perfectly with Big Blue filter housings. non-slip teeth that provide a secure grip on the housing cap, even with wet hands. This design prevents slipping and protects your housing from damage during installation or removal. (PLEASE confirm the size of your Water Filter before placing an order) EFFORTLESSLY REMOVE STUCK HOUSINGS:Tackle overtightened filters with ease. Simply position the wrench and turn it clockwise for removal. This tool outperforms standard strap wrenches, providing superior leverage and making maintenance quick and straightforward VERSATILE WHOLE HOUSE & RV SOLUTION:An essential tool for maintaining residential whole-house water filter systems, as well as RV and camper water systems. It is the reliable solution for ensuring your water filtration system functions smoothly 150295 Water Filter Housing Wrench,This wrench does not fit the slimline models. for 10" x 2.5'' & 20" x 2.5'' Standard Housings, Fit for Pentair Pentek SW-2, American Plumber 152037, water filter wrench Fits WLCS-1000, WRO-3000 & WRO-3500 Filtration Systems