Air stream operated louvres in a compact flat design to cover exhaust air openings in walls.
Automatic operation; opens and closes when the fan is switched on and off.
Fixed to wall by means of four concealed holes in comers.
Supplied in individual boxes including mounting materials.
Maximum air flow velocity = 8 m/s.
Sizes 630 and 710 have an additional centre mullion to increase overall stability and
sizes 800 and 900 have two mullions resulting in several louvre panels.