United Enertech - Model CB-600 -Backdraft Dampers

Backdraft/Barometric Extruded Aluminum Damper (up to 2800 fpm). Model CB-600 extruded aluminuml backdraft/barometric damper, up to 2800 fpm. Backdraft - used in ventilation systems to allow airflow in one. direction and prevent airflow in the opposite direction. Barometric Damper - regulate and release the built-up pressure.