Please note that we are currently experiencing a high number of orders and that the current lead time on all products manufactured to order will be approx. 7 - 10 working days. Off the shelf products are unaffected.Please note we are currently unable to dispatch to Northern Ireland.Please note that due to a technical issue we are currently unable to accept Paypal payments.
Lightweight aluminium blades on a light steel spring maintain the damper in the closed position when no air is flowing, preventing wind/drafts from flowing back through the duct. These dampers feature seals and rolled edges.