... for Air-Conditioner, Refrigeration, Natural Gas,Water, Oil. 2.Soft Copper Coil:100-150kg/coil. Soft Copper Coil for Air-Conditioner, Refrigeration, Natural ... Gas,Water, Oil.Soft Copper Coil: Copper LWC Coil, Inner-Grooved Copper LWC Coil. ... -Grooved Copper LWC COIL: 100-150 KG/Roll, Wooden Pallet. Soft Copper Coil