This 316 stainless steel and nitrile (gasket) cam-lock Type F connector connection type is male NPT. The hose fitting size is 3/4 of an inch and the thread size is 3/4". The 316 stainless steel is corrosion-resistant, and the nitrile gasket is impervious to extreme temperatures. It can withstand a maximum working pressure of 250 PSI at 70 Degrees F. This connector has a coupling size of one inch.