A multi-blade plastic back-draft damper for round ducts made of prefabricated components. The back-draft damper is available in two versions - for vertical and horizontal installation.
Available materials in stock: PVC polyvinyl chloride, PP polypropylene, PPs flame-resistant polypropylene, PE polyethylene
Available materials upon special order: white PVC polyvinyl chloride, PP-EL-s flame resistant electrically, PVDF Polyvinylidene fluoride