We are manufacturing and supplying Duct Dampers. Our range of duct dampers are available with following specification Frame with flat frontal face and inner 'V' grooved blades or inner aerofoil blades connected to the frame by means of rods and bushes. Can be operated manually or motorized by means of nylon bushes or by gears. Available in parallel type or opposite blades types. Dampers constructed in aluminum galvanized steel or mild steel. Available in any standard or non standard sizes. Round duct dampers are also available.