Frame and core: High quality die formed aluminium sheets with suitable flange as outer frame.
Damper frame and blades: High quality extruded aluminium profile with natural finish. Black matt
finish as option.
The frame and blades are of high quality extruded aluminium profiled construction with the advantages of corrosion resistance and rigidity.
Frame is separated from aerofoil blades by nylon bushings. This ensures quiet, smooth and rattle free operation.
Frame gasket is sealed around the back of the frame as option to avoid air leakage.
Powder coated as per RAL color codes.
Flexibility of finishing is available as option.