1.ACR Copper Pancake Coil For Air-Conditioner, Refrigeration. 2.ACR Copper Pancake Coil: 7.62m-30m/coil, 1. ACR Copper Pancake Coil for Air-Conditioner, Refrigeration.2. Outside Diameter: 1/8"-7/8"3. Length: 3m-30m.4. Standard: ASTM B280, JIS H3300, EN12735,AS1571.5. Package: 3-20 Rolls/Carton Box.