External Grilles

External weather louvres, (38 mm blade pitch) Ideal for use on the external walls of a building for intake or extract air, the 45 deg blades are fixed at 38mm centres and have excellent integral ra...

Plastic External Louvre shutters. These are general use shutters for the outside of premises. Suitable for all types of fan. The louvres close when the fan is not in use to stop back drafts. Avail...

Depending on its application, the Metal Circular Grille can be used as an external grille of an air intake or roof vent. The grille is provided with screw holes for mounting. Available in sizes 100...