COPPER TUBE AS PER STD SHEET L6531 SIZE: DIA OD 3 X ID, 2MM, 15MTR/ COIL, COPPER TUBE AS PER STD SHEET, L6531 SIZE: DIA OD 4 X ID 3MM, COPPER, TUBE AS PER STD SHEET L6531 SIZE: DIA OD 6 X ID 4MM, COPPER TUBE AS PER STD SHEET L6531, SIZE: DIA OD 8 X ID 6MM, COPPER TUBE AS, PER STD SHEET L6531 SIZE: DIA OD 10 X ID 8MM