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The BD-320 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a galvanized steel frame with a flange on the discharge side and aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-320 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a galvanized steel frame with a flange on the discharge side and aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-320 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a galvanized steel frame with a flange on the discharge side and aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-320 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a galvanized steel frame with a flange on the discharge side and aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-320 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a galvanized steel frame with a flange on the discharge side and aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-330 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a flangeless, galvanized steel frame with aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-330 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a flangeless, galvanized steel frame with aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-330 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a flangeless, galvanized steel frame with aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-330 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a flangeless, galvanized steel frame with aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-330 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a flangeless, galvanized steel frame with aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-330 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a flangeless, galvanized steel frame with aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-330 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a flangeless, galvanized steel frame with aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-90 is a horizontal mount backdraft damper designed to allow vertical airflow up and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a flangeless, galvanized steel frame and aluminum blades.

• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-100 is a horizontal mount backdraft damper designed to allow vertical airflow up and prevent reverse airflow. The dampers are opened by air pressure differential (assisted by springs) and closed by gravity. The damper features a flangeless, galvanized steel frame with aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size

The BD-100 is a horizontal mount backdraft damper designed to allow vertical airflow up and prevent reverse airflow. The dampers are opened by air pressure differential (assisted by springs) and closed by gravity. The damper features a flangeless, galvanized steel frame with aluminum blades.

• Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
• AMCA certified for Air Leakage and Air Performance
• Width and height furnished approximately 0.125 in. under size