PPRC Trinity 9x15 methak - 20 mm diameter PPRC PPRC PPRC is a T-shaped switching fittift, which provides a connection between 15 mm field gear metal or plastic elements. It is used to create a solid and leaking combination between the pipe, manometer, taps and other gear components in the fitting water supply and heating systems. Polypropylene Random Copolymer (PPRC) has high resistance to both mechanical and heating and pressure thanks to the material and solid metal dental. This product provided by the metak brand provides a long-lived and secure system to install.