... , galvanized plate.Copper pipe: diameterΦ7, Φ7.94, Φ9.52, Φ12.7mm, etc. inner grooved or smooth tube.Aluminium foil: hydrophilic or ... FinLouver FinLouver FinFin TypeHydrophilic 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,Golden FoilFin Thickness ...