Supply of Union Elbow Size-1 1/2 Od For Double Ferrule Compression Tube Fittings Of Pneumatic Pipe Line As Per Icf Specification No. Icf/Md/Spec-166 With Latest Revision/Amendments Gr.304 As Per Icf Drg. No. Icf/Std-3-5- 017 Item No.5 Make / Brand : Be-Lok Or Similar Make.