High pressure ball valve has 3/8inch quick connector and 3/8inch quick connect plug. Easy to connect ball valve to , nozzle, pump and hose. The steel pressure washing ball valve kit is designed for pressure washer hose. The ball valve is easy to turn on and off. It offers great leverage under high pressure. The max working pressure is 4500 PSI. Quick Disconnect Fitting: 3/8inch quick coupler plug + 3/8inch male NPT thread; 3/8inch quick coupler socket + 3/8inch male NPT thread. 3/8inch quick connect., Manufacturer: Akfldms