Hayward SP0710XR50 Pro-Series Vari-Flo Backwash Valve Coupling<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Vertical grid D.E. filter replacement parts</li><li>Hayward 6-position valve has an easy-to-use handle， heavy duty stainless steel spring</li><li>ABS body and cover， neoprene valve seat， and a built-in sight glass; automatic self-cleaning design prevents clogging or sticking</li><li>Vari-Flo valve assembly;1-1/2-inch NPT</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41L7VZXdJiL.jpg" noproxy>