The TOSHIBA 給水栓ジョイント CB-J6 is a wonderful device. It is very easy to install and there were no leaks. Connecting our current or future washing machine is very easy, quick and results in no leaks compared to the old method of connection. Water hose connection leaks are a thing of the past, whether it is accidentally bumping the hose or an earthquake shaking a house or apartment, the hose from the washing machine to the water supply outlet stays firmly connected. Well-made and easy to use make this a highly recommended device.