THE FRAME IS GALVANIZED STEEL WITH ALUMINUM BLADES. THE BLADES HAVE A FELT SEAL ON THE LEADING EDGE FOR QUIET CLOSING AND BETTER PROTECTION FROM THE WEATHER. BACKDRAFT DAMPERS ARE NON-FLANGED HORIZONTAL MOUNT EXHAUST BACKDRAFT DAMPER. RECOMMENDED FOR HORIZONTAL MOUNT EXHAUST APPLICATIONS. IDEAL FOR USE IN ROOF CURBS, DUCTWORK, OR WALL COLLARS WHEN USING A FAN OR POWER ROOF VENTILATOR. SPRING ASSISTED TO ALLOW THE BLADES TO OPEN QUICKLY.
Ventilation,Dampers,Backdraft Roof Dampers
Backdraft Damper 18 - 411-STD 18
Specifications of Backdraft Damper 18 - 411-STD 18 | |
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Category | |
Instock | instock |