Ducting offered is part of industrial boiler accessory and provides support as water cooling wall. The presence of dense water-cooled tubes finds use in processes involving high temperature flue gas purification and come developed using latest water cooling technology so as to provide for optimum performance support. Some of its features include large heat transfer area of unit length, capability to bear high pressure, providing for stable running support, long service life, choice of development as per drawings/designs submitted by customers among others.