Multi Blade Fire Damper

Multi-Blade Fire Damper – 1-1/2 & 3 Hour – Dynamic – 3V Blade – Optional Sleeve – Out of Wall or Round Option 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 dynamic systems that continue to operate in the event of fire. (Optional 3 hr. rating)