G-392 1 ½” Flat Gasket - Waterway 711-4000B Gasket Replacement

1 ½” Flat Gasket for Union Gasket Cyclone/Cartridge Filter Coupling Assembly, Heater Gasket, and 1 ½” Buttress Gasket. Suitable for Carefree Sand Filter and ClearWater Sand Filter. Replacement for Waterway 711-4000B Gasket.