Superb Wrench SPBW-20 Heavy Duty Metal Water Filter Housing Wrench (5.7 inch Inside Diameter) Replaces Pentek 144880 filter wrench. 5.7 inch Inside Diameter Made of heavy duty 7 gauge steel that will not break, bend or strip the water filter housing unit Fits: Pentek big white and big clear housing models 166201 and 166219 Handle is rubberized and longer than a standard filter wrench which gives you extra leverage Made in the USA