
6 In.dia Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter 6 in, Frame Material Galvanized Steel, Number of Panels 2, Overall Height 3 1/2 in, Rough Opening Diameter 5 5/8 in, Rough Opening Shape Round, Fits Fan Diameter 6 in; 16 in, For Duct Shape Round, Free Area 24.9 sq in, Overall Width 5 7/8 in, Overall Length 3 3/8 in, Frame Depth 1 3/8 in, Rough Opening Length 3 in, Overall Diameter 6 in, Rough Opening Width 5.9 in, Blade Material Aluminum
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Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.