Amazon.com: ZZHXSM K Series Adapter K2-K7 High Pressure Water Gun Joint Foam Pot Refit 1/4 Quick Connect Fitting for Karcher K2-K7 and Stanley SLP Pressure Washer Spray Guns : Patio, Lawn &
GKN9TCV M MINGLE Compatible Karcher Pressure Washer Gun Adapter, to M22 14mm Male Fitting, 1/4'' Quick Connect Fitting