The CD36 commercial control damper offers sturdy, galvanized steel construction with interlocking frame design. It locks together without bolts, screws, or rivets that could shake loose featuring: Galvanized rectangular frame, v-groove blades, class II leakage, medium duty, 3000 FPM, 5" w.c. max.

The CDRS25 commercial control butterfly damper installs easily in round spiral ductwork featuring: Galvanized round frame, dual skin blade, class II leakage, heavy duty, 4000 FPM, 10" w.c. max. With factory mounted actuator braket

HQR050B Manual Hand Quad for Dampers

ESR050 Extended Shaft Rod with Clip