American Aldes CERB-WS-II Constant Exhaust Register Boxes incorporate an integral Constant Airflow Regulator (CAR-II) that automatically regulates airflows in duct systems to constant levels. The CAR-II responds to duct pressure and requires no electric or pneumatic sensors or controls. The register box and CAR-II combination provides a low-cost solution to balancing ventilation and exhaust systems, essentially eliminating the need for on-site balancing. Optional flush-mount exhaust grilles are sold separately.

Use: Exhaust Air
Application: New Construction
Orientation: Wall Mount with Side Take-Off Collar
Duct Type: Round

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