The GARDENA Hose Connector allows a change of connecting devices, in particular when water pressure is high. The Hose Connector with Control Valve is secured at the hose outlet. Here you can conveniently adjust and switch off the water flow, e.g. in order to change connecting devices. This saves you a trip to the tap to adjust or switch off the water flow. It is suitable for13 mm (1/2") hoses.