Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure.From $13.50
Spring loaded backdraft dampers. Steel body construction and aluminum damper blades.From $13.30
Rectangular opposed blade dampers with manual slide operator. Extruded aluminum frame with rollformed aluminum blades. Custom sizes. MADE TO ORDER - Any size in 3 days!
why buy from us?
We're engineers passionate about home ventilation and serious about customer service – so you can count on us for carefully-selected equipment and expert advice to ensure your project is a success from specification to installation.
Your call is answered by qualified people who will gladly discuss your project in detail, advise you professionally and never sell you inappropriate products.