Pex-Al-Pex Pipe Material: PE,PEX,PERT,AL Dimension: 16mm-32mm Color: White, Yellow, Red Standard: ASTM F1281/ASTM D1282 PEX-AL-PEX Pipe1, Non-toxic ... resistance inside pipe is small, not easy scaling, fluid not being polluted, and effective large diameter. 3, 100% insulating oxygen,stop oxygen's ... /100M/200M each roll, or according to customer packing needs PEX-AL-PEX MULTILAYER PIPE