RIWS18 Triangle Fans RIWS Supply Shutters - Single Panel Shutters esigned for long-lasting operation and proper airflow with Exhaust and Supply Models, Extruded aluminum blades, Welded galvanized steel frame, and Bronze pivot bushings -27 3/8” @ 69 3/8”

Triangle’s Shutters are designed for long-lasting operation and proper airflow. With a bronze finish, polyester powder coated, welded galvanized steel frame, extruded aluminum blades, and bronze pivot bushings, Triangle Shutters are equipped to withstand even the most demanding environments. Note: Triangle’s Supply Shutters must be equipped with an operator. The shutter must be opened before the fan is energized.

Supply Shutters/span>

Triangle manufactures a full range of supply shutters (backdraft dampers) to meet your needs. All of our shutters are designed and engineered to combine durability and strength.