Pentair WC119-87 V-Clamp with Knob Replacement Sta-Rite Pool and Spa Filter/Valve<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>V-Clamp with knob replacement</li><li>Fits Pentair Sta-Rite high-rate Cristal-Flo and Waterford pool and spa sand filter systems</li><li>Also fits multiport 1-1/2-inch valves</li><li>Measures 9-1/4-inch length by 3/4-inch height by 9-1/4-inch width</li></ul></div><img src="http://ecx.images-amazon.com/images/I/415PahLWHlL.jpg" noproxy>