With a 2 1/2-inch hose fitting size and 2 1/2" thread size, this 316 stainless steel cam-lock Type C hose barb has a gasket made of nitrile. Its stainless steel body is resistant to corrosion and other environmental elements and the nitrile gasket can handle temperature extremes. Its maximum working pressure is 250 PSI at 70 Degrees F. Its coupling size is 2 1/2 inches.