With the GARDENA Hose Connector you can control the water pressure to your device or turn off the water supply completely- Comes with a 5 year warranty- Part of the GARDENA OGS system, for a quick, easy, reliable connection- Compatible with other leading brands- Integrated frost protectionThe GARDENA hose connector with control valve makes it easy to regulate or shut off the water flow to your connected device. Particularly effective when the water pressure is high, you can easily switch accessories at the end of a hose, from a sprinkler to a spray gun for example and use the control valve to set the water flow that works for you. Part of the Original GARDENA System you can rest assured you will have a reliable, secure, leak-proof connection to your hose. The Hose Connector with Control Valve is suitable for 13 mm (1/2"") and 15 mm (5/8"") garden hoses.