Back draft damper for circular ducts, manufactured from galvanised sheet steel. The two blades are spring-loaded, which means that the damper can also be mounted vertically.
Back Draft Dampers
        
        
        £7.45 - £29.95
    
     
            - SKU:
 - back_draft_dampers
 - shortDescription:
 - Back draft damper for circular ducts, manufactured from galvanised sheet steel. The two blades are spring-loaded, which means that the damper can also be mounted vertically....