1/4" 3/8" 3/4" 1" Variable diameter BSP Female Thread Tee Three Way Reducer 304 Stainless Steel Pipe Fitting Reducer Connector 5
https://www.vogueparade.com/shopping/EN/200282142/1/1005003730869085/14-38-34-1-variable-diameter-bsp-female-thread-tee-three-way-reducer-304-stainless-steel-pipe-fitting-reducer-connector-5//