Pentair 154566 2-Inch Clear Sight Glass Replacement Pool and Spa Valve<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Clear sight glass replacement</li><li>Fits Pentair PVC Slide and HiFlow pool and spa valves</li><li>Measures 2-inch</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41AOdHDecqL.jpg" noproxy>