cooling bundy tube for refrigerator parts 1.coil/cut-to-length 2. ... /4.5/16,3/8,etc 4.zinc,copper,, cooling bundy tube for refrigerator partsPlating:Yellow Zinc,White Zinc,Copper and ... brake tube is supplied in single wall and double wall(Bundy Pipe). The products conform to ASTM A-254-91, A-512 ... ×0.7 mm and 8 mm×0.7 mm cooling bundy tube for refrigerator parts