Composite pipes: Fiber (composite and combi pipe) pipes are designed for pressurized systems used in indoor hot and cold water supply. These three-layer pipes consist of PPRC outer and inner material, with a glass fiber PPRC middle layer. Coil pipes are 100 meters long and resistant to 10 and 16 ATM pressure. PPR pipes manufactured by METAK company are distinguished by their high quality and have been successfully sold in international markets since 2005.