Builders Best 111586 Semi-Rigid Aluminum Duct, 8Ft (6" Dia)

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Plain-ended pipe ;
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Noninsulated general-purpose venting duct for low & medium operating pressures ;
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Noncombustible corrugated aluminum with watertight continuous lock seams ;
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Class 0 metal duct ;
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Each ;
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6" x 8ft;