copper tube for air condition or refrigerator 1.OD:3.5-200mm 2.Thickness:0.35-7mm 3.Standard:GB,BS,ASTM copper tube for air condition or refrigerator Product Name: copper tube for air condition or refrigerator Size:OD:3.5mm-200mm, TK:0.35mm-7mm, Length:According to your requestQuality:ASTM B135,Copper,Seamless.Usage:Used for air condition,and the insulation material prevent fire. StandardGB/ ...