Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 20 in Blade, 3,957 cfm, ODP, 3 Strategically deployed LD (Low Dispersion)

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Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 20 in Blade, 3,957 cfm, ODP, 3 Strategically deployed LD (Low Dispersion)Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 20 in Blade, 3,957 cfm, ODP, 3 Brand DAYTON For Air Type Clean Air Drive Type Belt Drive Includes Drive Package with Motor Yes Assembly Unassembled Blade Diameter 20 in Mount Type Roof Curb Mounting Location Roof Exhaust Airflow @ 0. 000 in SP 3,957 cfm Exhaust Airflow @ 0. 125 in SP 3,625 cfm Exhaust Airflow @ 0. 250 in SP 3,337 cfm Exhaust Airflow @ 0. 375 in SP 3,012 cfm Exhaust