Superb Wrench SPBW-8 Metal Water Filter Housing Wrench (6 inch Inside Diameter)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Fits #20 big blue whole house water filters</li><li>Inside Diameter: 6-Inches</li><li>Replaces the plastic SW-4 wrench</li><li>Fits: SW-4， American Plumber W2010-PR， 152015， W2015-PR， 152017， 152022， 144368， Pentek 144368， 150237， 150239， 150469， BBFS-22， Ametek Kleen Plus 144368， Culligan 144368， Whirlpool WHKF-DWHBB， Whirlpool WHCF-DWHBB and Keystone</li><li>Handle is rubberized and longer than a standard filter wrench which gives you extra leverage</li><li>Made in the USA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31hsAzvGcQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31aLLk0iAEL.jpg" noproxy>