Brass Quick Connect Adapter M22 to 1/4″ for Pressure Washer Hose 5000PSI 2PC by | Jul 27, 2026Valve Parts. Oxygen Sensor. Air Intake Hose. Air Fuel Ratio Sensor. Universal Adaptation:Professional adapters are used for the connections of power washer gun, hose, and pump. Quick connect pressure washer gun to wand or nozzle.