To connect 2 hoses at the same time to the tap. Includes on/off valves and washer. Easy attachment by The Claber two way tap connector allows you to divide the water supply into two outlets and will accommodate two water timers. It is especially useful if you want to run an automatic system and use an outside water supply as normal screwing on. For taps with 3/4” thread; enables assembly of two water timers, pressure reducers, etc.