The CBL barometric gravity backdraft damper is engineered for HVAC exhaust applications in warehouses, large commercial spaces, and industrial vessels. Constructed from tempered aluminum profiles with your choice of L-frame or U-frame, it features a baked electrostatic paint finish and a foam-sealed frame for reliable air control and reduced leakage. Available in custom sizes up to 60" x 48" to fit a wide range of installation requirements.
