... Copper pipe: diameterΦ7, Φ7.94, Φ9.52, Φ12.7mm, etc. inner grooved or smooth tube.3. Aluminium foil ... .652212.711.627.5Tube MaterialCopper, Aluminium Copper, Aluminium Copper, Aluminium CopperCopperType of Tube Smooth Tube, ... Foil,Bare Foil,Golden Foil,Copper FoilHydrophilic Foil,Bare Foil,Golden FoilHydrophilic Foil,Bare Foil,Golden FoilHydrophilic Foil,Bare Foil,Golden FoilHydrophilic Foil,Bare Foil, ...