... Type Insulated Copper Tube for air conditioner 1.Length: 3 meters to 50 meters 2.Thickness of copper tube is ok Twin ... 5)8mmDouble embossed film1.copper tube:O.D.1/4''&3/8'',1/4''&1/2'',1/4''&5/8'',3/8''&5/8'',3 ... /8''&3/4'',1/2''&3/4''2.O.D of ... , please don't hesitate to contact me! AmandaSkype: ivyzhao0819 1/4''+3/4'' 3m Twin Type PE Insulated Copper Tube ...