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UL Listed Dampers > Fire Dampers


True Round Fire Damper - Dynamic or Static 1-1/2 Hour

FD-R (FDD-R) Product Image

UL Classified for installation in walls, floors, and partitions with a fire rating of less than 3 hours. This damper may be installed horizontally or vertically in static systems (FD-R) that shut down in the event of fire or dynamic systems (FDD-R) that continue to operate in the event of fire.