A 500x500mm outside air weatherproof louvre for fresh air intake openings in commercial and residential HVAC systems. The angled blade profile sheds rainwater and prevents moisture ingress while maintaining adequate free area for airflow. Suitable for wall-mounted fresh air intake and exhaust openings exposed to outdoor conditions.
Suitable for both intake and return air applications. The Louvre blades offer a double weather stop design making it a unique and efficient solution in providing weather protection. Wide blade spacings enable improved airflow with reduced pressure drops and noise levels. The standard range offers a 32mm flange with a blade spacing of 48mm.
Weatherproof Louvres shall be Air-Grilled Supplies Model VOAL from high quality extruded aluminium sections and are fitted with wire mesh to the back. Hairline mitres are mechanically held for maximum strength and durability. Louvres shall be natural anodised aluminium finish. Louvres shall be fitted with accessories where required by Air-Grilled Supplies.

