... , uniform pure aluminum, high-frequency welded to eliminate seaming defect.3. Double-row perforated: To guarantee the moisture adsorption.4. Level notch ... : To get perfect connection.Size:6A, 9A, 10A ... , 12A, 13A, 15A, 16A, other sizes according to customers' requirements.Height: 6.5mm.Length: 5m.Thickness: 0.22 ...