3M Aqua Pure 6843432C AP-WRNCH Water Filter Housing Wrench<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>For Models: AP11S， AP11T， AP12S， AP12T， AS26T， AP51T， AP101S， AP101T， AP102S， AP102T. AP-WRENCH.</li><li>Wrench can be used on many Aqua-Pure Standard Housings</li><li>Over tightening the sump can cause damage to the O-rings and make re-opening the water filter housing sump difficult</li></ul></div><img src="http://ecx.images-amazon.com/images/I/410narBjnbL.jpg" noproxy>