Top view and section view of the duct in AutoCAD 2D drawing, CAD file, dwg file

<p>Top view and section view of the duct in AutoCAD 2D drawing. steel angle, steel channel, rock wool, silicon caulking, galvanized steel angle, rivet or bolting, etc. are specified in this file. For more detailed information download the 2D AutoCAD dwg file.</p>