Check out our selection of components to assist your HVAC system optimize airflow. Backdraft dampers, roof dampers, and balance dampers allow you to control airflow, while fire and smoke dampers close automatically to prevent fire and smoke from traveling through your HVAC system's ductwork. Rugged metal door louvers are also available to help keep air moving while maintaining privacy and security when the doors are closed. Intake louvers come in a range of shapes and sizes, including fixed intake modular components that can be combined to create unique apertures. Wall exhaust shutter motors are available in a number of voltages and designs for single-panel and double-panel exhaust shutters.