UL Rated, Fire, Smoke and Ceiling Radiation Dampers

Dynamic 1-1/2 Hr Rated

3V Blade
Airfoil Blade
Round
FD-125R Round
Curtain
FD4D-A Class A
FD4D-B Class B
FD4D-C Class C
Curtain - Integral Angle
FD4D-IMA Class A
FD4D-IMB Class B
Curtain - Thinline
FD2D-A Class A
FD2D-B Class B