QUICK COUPLING FOSTER H 3/8 "THREAD H NPT 1/2"SKU: 4404QUICK COUPLING WITH FOSTER VALVEMaterial: Brass and steel Maximun working pressure: 300 PSI Operation: Handbook Air and oil temperature range: -40º + 225º F Water temperature range: + 32º + 100º F Thread: F NPT 1/2 " Body: 3/8 "