Made of UV-, weather-, corrosion-, and ozone damage-resistant polypropylene, this cam-lock Type F has a maximum working pressure of 70 Degrees F at 100 PSI. The coupling and hose fitting size is 1 1/2 inches. The coupling has a male NPT. Its thread size is 1 1/2". The gasket of the cam-lock is made of nitrile which is resistant to extreme temperatures.