
Manual Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Fiberglass, Maximum Air Velocity Not Rated, Overall Height 27 1/8 in, Rough Opening Diameter Not Applicable, Rough Opening Shape Square, Fits Fan Diameter 24 in, For Duct Shape Not Applicable, Free Area Not Applicable, Overall Width 27 1/8 in, Frame Material Thickness 2.6 mm, Overall Length Not Applicable, Connection Type Not Applicable, Frame Depth 3 3/8 in, Rough Opening Length Not Applicable
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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.