Circular Outside Air Louvre

Circular external louvre for weather protection at fresh-air intake or exhaust openings. Extruded aluminium construction with a 12 × 12 mm bird screen fitted as standard.

Available diameters and prices will be added after the trade price list is confirmed.

Choose the right Circular Outside Air Louvre

Confirm the duct diameter, wall opening and exposure before ordering. Available options are grouped on this page so you can compare compatible sizes without searching through duplicate product pages.

Browse all external weather louvres or ask the DuctFix team for product-selection help.

Circular Outside Air Louvre frequently asked questions

What should I check before ordering this outside-air louvre?

Check the duct diameter, wall opening, fixing method and exposure. Contact DuctFix if you need help confirming the correct size.

Are other sizes or finishes available?

Availability depends on the product range. Where a required option is not listed, send DuctFix the model, opening size and application details for confirmation.

Lead time and delivery

Availability varies by size and specification. Stocked items can usually be dispatched promptly, while made-to-order items may require additional lead time. Delivery charges and available services are calculated at checkout. Contact DuctFix before ordering if your project has a fixed delivery date.