... 180 DEGREE RETURN BEND ( CXC AND FTGXC), COPPER RETURN BEND, 180 COPPER ELBOW 90 Degree Copper Elbow Fittings with ASTM B88,EU,America ... 99.99% copper National standard,ISO9001:2008 Features:1), Beautiful appearance: products' internal and external wall are very smooth, the resistance of ... ,and it is widely used in struction by welding with the copper pipe. They are available from size 10mm-108mm, and ...