NorthStar Ball-Type Pressure Washer Quick Coupler adapts your 22mm pressure washer hose to a quick-coupler for easy nozzle changing. For pressure washer systems of up to 4000 PSI capacity. Made of brass. Size 22mm female. Inlet Size in. 22mm, Material Brass, Max. PSI 4,000. Replacement parts are available through Northern Tool Parts Department 1-800-270-0810
This coupler is designed to adapt a 22mm fitting to 3/8" quick connect. The nipple size that will work with this coupler is 3/8". They are available in a number of configurations. See links below for more details.