... , heater Specifications: 1. Main use: widely used in condenser, evaporators, refrigeration, chiller, heaters, automobile brake system and automobile pipe laying;2 ... can be altered according to customers' requirements5. Outer diameter: Φ4.00, 4.76,6.00, 6.35, 7.94, 8.00,10.00mm6 ... .80mm,1.0mm7. Packing: seaworthy packing Sell Single Wall Welded Steel Tube