... TCL, LG, Samsung, Panasonic etc.Product Features:1. Material: copper, aluminium, galvanized plate.2. Copper pipe: diameterΦ7, Φ7.94, Φ9.52 ... , Φ12.7mm, etc. inner grooved or smooth tube.3. Aluminium foil ... Space(mm)21.652212.711.627.5Tube MaterialCopper, Aluminium Copper, Aluminium Copper, Aluminium CopperCopperType of Tube Smooth Tube, Inner Grooved Tube ...