Ppr-aluminium composite pipe Size: 20-75MM Inside layer: PPR,PERT,PEX, PE,ECT Aluminium thickness:0.19-0.32cm, customer need Name:ppr-al-pe pipeMaterial:PP-R and ALPressure:PN20Dimension:20mm-75mmStandard:according to GB/T18742.2 and DIN8077/8078Color: white,gray,green,blue etc.Quantity:LargeDelivery time: 10-25days.