External weather louvres as a protection of air conditioning systems against the direct ingress of rain, leaves and birds into fresh air and exhaust air openings.
Manufactured from extruded aluminium alloy with a slimline blade on a 38mm pitch maintaining a 50% free area.
For overall flange size add 48mm. Flanges supplied un-punched.
Depth approx. 45mm.
Mill finish aluminium.