Hayward ECX5000G Diaphragm Gasket Replacement for Hayward Perflex Extended-Cycle D.E. Filter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diaphragm gasket replacement</li><li>Fits hayward perflex extended-cycle d.e. filter models ec40ac， ec50ac， i_pfppts， ec50c80x5s and ec40c90， ec50c90 series</li><li>Weight 4-1/2-pound</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31C39-CtSGL.jpg" noproxy>