1.30m Copper Pancake Tube for Air Conditioner,Gas,Water. 2. Copper Pancake Tube: 30m/coil. 1. 30m Copper Pancake Tube for Air-Conditioner, Refrigeration, Natural Gad, Water,Heat-Exchangers.2. Outside Diameter: 3/16"-7/8"3. Length: 30m.4. Temper: Soft5. Standard: ASTM B280, JIS H3300, EN12735, AS1432, NZS1571.6. Package: 3-20 Rolls/ Carton Box.