... insulated copper tube/pipe Our product have got the CE certificate and pass the SGS test! 1,Copper tube:O.D. 1/4'',3 ... /8'',1/2'',5/8'',3/4'',7/8'',1'',1.1/8'',1.1/4'',1.1/2''2,Copper tube:thickness ... from 0.5mm to 1.5mm.3,Length: 3 meters ...