
20 In.dia Nrm Opn Rnd Stel Zone Cntrl Dampr, For Nominal Duct Diameter 20 in, Damper Application Motorized, Number of Panels Not Applicable, Overall Height 4 5/8 in, Overall Length 4 7/8 in, Rough Opening Shape Round, For Duct Shape Round, Overall Width 20 in, Frame Material Thickness Not Applicable, Blade Material Galvanized Steel, Maximum Air Pressure 0.5 in wc, Overall Diameter 20 in, Rough Opening Length 20 in, Rough Opening Width 20 in, Damper Type Dynamic
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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.