Duct system is manufactured from fully galvanized sheets and is characterized by great stability of form and a smooth surface. The components have a rolled collar, over which the Q-F clip is fitted. The clip has an inner gasket to ensure that an air tight seal is achieved. It requires no tools to assemble ormodify.  The Quick-Fit system has a complete accessory range wigh 60° Y-pieces, 30° branches, 30° cut in branch, 90° adapters, reducers, sliding dampers, automatic dampers etc. It ensures individual fitting and great flexibility-including adaptation to other duct systems.