... 2-2002, DIN8077 4, large in stock Specifications:1, green nano level2, hot melt connection3, GB18742.2-2002, DIN80774, large ... in stock Xinhexie Nano-antibacterial PP-R composite pipes: green nano level: Application Advantages: Good hygienic performance: ... pipes. This green product can be directly used for pour water piping system. Beautiful appearance and light: The inner and ...