brass refrigeration copper fittings 1.MOQ:1000pcs 2.Size"1/2"-2" ... 4.CE,EN331,SGS,ISO9002:2008 certification 1.Name: brass refrigeration copper fittings2.Material:Brass 3.Size:16-1/2",20 ... manufactured according to the norm UNE-EN1057 PLS-08047 brass refrigeration copper fittings with EN1254-2 certification