The Hayward ECX1105 Diaphragm Gasket is a high-quality sealing component intended for use in a variety of pool filtration systems. This diaphragm gasket, made of robust rubber, provides a dependable and effective seal within the filter assembly. This gasket works by forming a secure barrier between various portions of the filtration system, including the filter tank and internal compo... https://www.usapoolshop.com/ecx1105-hayward-diaphragm-gasket