SUPPLY (INTAKE) WALL SHUTTER – THE MODEL CWV IS A REAR FLANGED GRAVITY SUPPLY (INTAKE) WALL SHUTTER. THE FRAME AND BLADES ARE MILL FINISH ALUMINUM WITH A GALVANIZED REINFORCEMENT STRIP ON EACH BLADE FOR ADDED STRENGTH AND COUNTER BALANCING EFFICIENCY. THE BLADES HAVE A FELT SEAL ON THE LEADING EDGE FOR QUITE CLOSING AND BETTER PROTECTION FROM THE WEATHER. IDEAL FOR USE WITH BELT-DRIVEN CENTRIFUGAL WALL VENTILATORS. RECOMMENDED FOR VERTICAL MOUNT SUPPLY (INTAKE) ONLY. THE BLADES WILL PIVOT AT THE BOTTOM AND FALL WITH GRAVITY TO OPEN. SPRING-ASSIST TO CLOSE.
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