External weather louvres,
Ideal for use on the external walls of a building for intake or extract air, the 45 deg blades are fixed at 50mm centres and have excellent integral rain defence features.
Constructed from extruded aluminium sections, frames are fully welded and fitted with a bird guard as standard. Standard finish is satin anodised, with other colours available on request. Free area approx 50%.
Includes a bird mesh on the backside.
These do not have a spigot and have to be used in combination with the Plastic Grill Boxes, as do most grills.