O-Ring, Air Relief

O-ring for air relief valve This is the o-ring for the air relief valve that threads into the Waterway top load filter lid. Part details: O-ring for air relief valve which is located on top of the top loading filter lid Genuine Waterway plastics part OEM part number 805-0114 Also fits the following filter canister lid air valves:Dyna-Flo Skim Filter, Dyna-Flo XL Skim Filter, Ultra Skim Filter Assemblies, Part #3 on the schematic When purchasing replacement parts for the top loading filter in your hot tub always confirm replacement part compatibility to ensure proper fit.