Combination Stationary 2″ Outside Air Louver with Vertical Mount Pressure Relief Damper
4550-3510
Dampers and louvers can be combined with a 20 gauge steel sleeve to create an environment to regulate airflow in or out of a louver with an operable blade damper.
Combination Stationary 2″ Outside Air Louver with Vertical Mount Backdraft Damper
4550-3550
Dampers and louvers can be combined with a 20 gauge steel sleeve to create an envrionment to regulate airflow in or out of a louver with an operable blade damper.