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Louvers > Backdraft / Motorized Dampers
Backdraft Dampers &
Motorized Dampers
Carnes Model JDHAA & JDHAM dampers are suitable for use with the full line of louvers and penthouses. The JDHA damper may be used in both horizontal and vertical applications. A wide selection of voltages and transformer options are available on the JDHAM motorized dampers.