The Hose Connector with Control Valve by Gardena is attached to the end of the hose and then ensures easy change of connection devices especially at high water pressure. The adapter is suitable for 13 mm (1/2"") and 15 mm (5/8"") hoses. It is operated by simply turning the valve to adjust the water flow to user requirements, it can even be turned off completely. If the water flow is interrupted, the connection device can be changed at any time, which saves turning off the water at the tap. The hose connector is made from high quality, durable materials and is frost-proof. The product is made in Germany, Gardena offers a 5-year warranty to support this top quality.