DUSICHIN DUS-228 3/8 Inch Quick Connect to M22 Metric Fitting for High Pressure Washer Gun and Hose 3/8" Quick Connect to M22 Metric Fitting for Pressure Washer Hose and Gun Max. Working Pressure: 5,000 PSI End A: 3/8" Female quick connect fitting End B: M22 Metric Male thread fitting Works with standard quick connectors