
17.75 In.H-W 5 In.L GStl Volume Control Dampr, Damper Application Volume Control, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 3000 fpm, Overall Height 17 3/4 in, Rough Opening Diameter Not Applicable, Rough Opening Shape Square, Fits Fan Diameter Not Applicable, For Duct Shape Square, Overall Width 17 3/4 in, Frame Material Thickness 16 ga, Overall Length 5 in, Connection Type Not Applicable, Frame Depth 5 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.