Silverline 2 Way Tap Connector 3/4" BSP to 1/2" Male

Electrical World

Converts a single tap into 2 outlets. Includes shut-off valve to each outlet. 3/4" BSP threaded inlet and included 3/4" to 1/2" BSP adapter, to fit most garden taps. 2 x 1/2" male quick connector outlets.

Amazon

Converts a single tap into 2 outlets Shut-off valve to each outlet 1/2" and 3/4" BSP threaded inlet to fit most garden taps 2 x 1/2" male quick connector outlets, Weight: 0.12345886672 pounds, Manufacturer: Silverline