Product Overview Waterway 711-4030/711-4031 2" OEM Union Gasket Ribbed O-Ring. Pack of 2 OD is 2.88" ID is 2.12" Thickness is .09" Thickness at Rib is .25" Center of Rib is 2.50"
Waterway 711-6020 OEM 2.5" Union Gasket Ribbed O-Ring, Pack of 2 - FREE Shipping MSRP: Was: Now: $10.95