Superb Wrench SPBW-3 Heavy Duty Metal Water Filter Wrench (4.28 inch Inside Diameter)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Inside Diameter: 4.28 in</li><li>Fits: Universal Slim Line Housings， Flexeon - Axeon Double O Ring， LT Series， LT 200， LT 300， TF R.O. Systems， 4 Stage， 5 Stage， 6 Stage and Residential R.O. Systems</li><li>Heavy duty 7-gauge zinc-plated steel</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></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31a%2BWqqEgwL.jpg' noproxy></br>