conditioner cooling tube 1. single wall 2.4.76/6/6.35 3.ASTM A-254-91, A-512-91A and ASTM A214 ... and A513 4.zinc,copper,PVF air conditioner cooling tubeThe ... , fuel lines, transmission oil cooler lines, air conditioning tube, power steering, condenser, compressor, evaporator etcOEM is available air conditioner cooling tube PVF coated