Insulated Box, Insulated, 8 inch Length, 4 inch Width, 4 inch Height, 3.5 inch H Duct, Steel, Galvanized Finish, Bottom Flange Installation, Standards: ASTM-A653 CS Type B
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Type: Insulated
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Length: 8 inch
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Width: 4 inch
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Height: 4 inch
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Duct Size: 3.5 inch H
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Material: Steel
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Finish: Galvanized
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Installation: Bottom Flange
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Standards: ASTM-A653 CS Type B