Product Overview Waterway OEM 711-6020, 2.5" Union Gasket Ribbed O-Ring, Pack of 2 OD is 3.44" ID is 2.44" Thickness is .08" Thickness at Rib is .18" Center of Rib is 2.90"
Waterway 711-4030/711-4031 2" OEM Union Gasket Ribbed O-Ring Pack of 2 - Free Shipping MSRP: Was: Now: $10.95