PPR Convert To 1/4" 1/2" 1-1/4" 3/4" 1" 1-1/2" 2" 2-1/2" Brass Adapter External Thread Adapters Change Diameter Pipe Fittings
https://www.vogueparade.com/shopping/EN/200282142/1/4000770177627/ppr-convert-to-14-12-1-14-34-1-1-12-2-2-12-brass-adapter-external-thread-adapters-change-diameter-pipe-fittings//