Description
Air Duct Board Box
Size A 20 Inch Length x 20 Inch Width
Outlet Type Top
Material Thickness 30 Gauge
Material Galvanized Steel
Inclusions/Features R-6 Insulation, Black Interior, Solid Corner, Hanger Hole, 1/2 Inch Outboard/Drywall Flange, Hole Cluster
Frame Box Height 4-1/2 Inch
Insulation Material Specification ASTM C1338
Application Residential
Features & Benefits
Internally InsulatedHole Cluster for Register Attachment
Duct Board Top Allows for Various Collar Inlet Sizes
Additional Information
Frame Box Height 4-1/2 InchInsulation Material Specification ASTM C1338
Application Residential
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