Fire & Safety(Building Dampers)
Fire Dampers UL-555

Fire Dampers – UL 555 Curtain Type Fire Dampers 1-1/2 Hrs Fire Rating

Fire Dampers – UL 555 Curtain Type Fire Dampers 3 Hrs Fire Rating

Fire Dampers – UL 555 Multi Blade Fire Dampers 1-1/2 Hrs Fire Rating

Fire Dampers – UL 555 Multi Blade Fire Dampers 3 Hrs Fire Rating