Backdraft Dampers - Round - SSWDR-53
The SSWDR-53 round backdraft damper is designed to mount horizontally for airflow down or up; or vertical for horizontal airflow. This damper is opened by air pressure differential and closed by springs.
304 stainless steel construction
Pressure: Up to 3 in. wg (0.7 kPa)
Velocity: Up to 2000 fpm (10.2 m/s)
Temperature: Up to 180°F (82°C)
30-day money-back guarantee
Shipping: 2-3 Business Days