
Hinge Kit, Fits Square Base Size 40 in, Compatible Grainger Part Number 16D544, Material Galvanized Steel, Includes Hardware Kit, Reinforcement Angles, Retaining Cable, For Fan Type Downblast Fans, Upblast Fans, For Fan Mounting Type Roof Mount, Container Capacity Not Applicable, Standards AMCA, UL 705, Compatible Manufacturer Model Number G-300, GB-300, GB-300HP, For Use With Dayton Roof Mounted Centrifugal Downblast Ventilators Having a 40 in Square Base
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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.