This FDA-certified, 0.203-inch thick, black sanitary gasket has an inside diameter of 2.40 inches and an outside diameter of 3.05 inches. It has a Standard (Type 1) connection and is used with tri-clamp fittings. The working temperature is -35 Degrees F to 250 Degrees F. It has a tube hardness of 70A and is made of Buna-N and is water, fuel, and oil-resistant.