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Backdraft Damper, Wall Mount, Supply, Damper Size (In.) 12 x 12, Overall Size (In.) 14-3/4 x 14-3/4, Flange Width (In.) 1-3/8, Max. Velocity (FPM) 2000, Construction Material 16-gauge Extruded Aluminum Frame, Aluminum Blades, Galvanized Steel Tie Rods and Stainless Steel Hardware, Use w/Dayton Ventilators 4HZ46, 4HZ47, Includes Felted Edges For Quiet OperationSpecification: Item: Backdraft DamperDamper Size (In.): 12 x 12Outside Flange (In.): 14-3/4 x 14-3/4Construction Material: 16-gauge Extruded Aluminum Frame, Aluminum Blades, Galvanized Steel Tie Rods and Stainless Steel HardwareMax. Velocity (FPM): 2000Includes: Felted Edges For Quiet OperationType: Wall Mount, SupplyFlange Width (In.): 1-3/8Use w/Dayton Ventilators: 4HZ46, 4HZ47Overall Size (In.): 14-3/4 x 14-3/4
