Pagoda Connector 6 8 10 12 14 16mm hose barb connector hose tail thread 1/8 1/4 3/8 1/2 BSP Brass Pipe Fitting
https://www.vogueparade.com/shopping/EN/200282142/1/1005003706897680/pagoda-connector-6-8-10-12-14-16mm-hose-barb-connector-hose-tail-thread-18-14-38-12-bsp-brass-pipe-fitting/