Low Velocity Exhaust Shutters Are Used For Venting Of Direct Drive Or Belt Driven Exhaust Fans.
Low Velocity Exhaust Shutters are made with a galvanized steel frame and aluminum blades for lasting durability. Blades allow horizontal airflow in one direction and prevents reverse airflow. Blades open with airflow and close by gravity when the fan shuts down. Integrated weather stripping on fan blades ensure durability and weather protection. 2000 FPM maximum velocity. 180°F maximum temperature. Shutters are available in a variety of sizes.