Bulkhead O-Ring

Hayward CX3030D bottom seal plate cartridge mounting plate for Hayward Commercial filters. This plate, cartridge mounting replacement is designed to for use in Hayward commercial filter models C2030, C3030, C4030, C5030 and C7030. Details: #18 on diagram, bottom seal plate for cartridge mounting Fits Hayward filters models C2030, C3030, C4030, C5030, C7030 OEM P/N: CX3030D Genuine Hayward replacement part