• Replacement diaphragm gasket
• For extended cycle DE filters
• Part number: ECX1003
The Hayward ECX1003 is a replacement gasket and is made to original factory specifications and standards for diaphram gaskets EC50A. This pool gasket is for extended cycle DE filters and carries a manufacturer’s warranty. Hayward gaskets are for the Hayward Perflex EC40 and EC50A above-ground pool models.