- Brand:Â DuroZoneType:Â Rectangular, Opposed BladeBlade Material:Â Heavy Extruded AluminumDuct Size:Â 8 Inch Length x 12 Inch WidthMaterial Thickness:Â 16 Gauge
- Designed to Remain within the Damper Frame for Easy Insertion and an External Heavy Gauge Side-Mounted Linkage for Smooth and Quiet Operation
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