Louvers > Counter Balanced Backdraft Dampers
Carnes now offers counterbalanced backdraft dampers, designed to allow vertical or horizontal airflow and prevent reverse airflow. The damper blades on Carnes counterbalanced dampers can be fully opened to a full 180 degree angle. Many options are available, including aluminum, galvanized or stainless steel construction and channel or flange frame construction..
Model FAKA - Aluminum counterbalanced backdraft dampers
Model FAMA - Galvanized counterbalanced backdraft dampers
Model FANA - 304 Stainless Steel counterbalanced backdraft dampers
Model FAPA - 316 Stainless Steel counterbalanced backdraft dampers