Male + Male + Female Threaded 3 Way Tee T Pipe Fitting 1/4" 3/8" 1/2" 3/4" 1" BSP Threaded SS304 Stainless Steel
https://www.vogueparade.com/shopping/EN/200282142/1/1005003730958752/male-male-female-threaded-3-way-tee-t-pipe-fitting-14-38-12-34-1-bsp-threaded-ss304-stainless-steel//