QUICK COUPLING FOSTER M 3/8 "THREAD M NPT 3/8"SKU: 42-4Size3/8QUICK COUPLING WITHOUT VALVE FOSTERMaterial: Steel Maximun working pressure: 300 PSI Operation: Handbook Air and oil temperature range: -40º + 225º F Water temperature range: + 32º + 100º F Thread: M NPT 3/8 " Body: 3/8 "