Axial Upblast Roof Exhaust Fan, Assembly Unassembled, Drive Type Belt Drive, Blade Diameter 48 in, Base Diameter Not Applicable, Base Length 56 3/4 in, Base Width 56 3/4 in, Base Shape Square, Maximum Airflow 37, 987 cfm, Minimum Airflow 14, 614 cfm, Maximum Motor Horsepower 5 hp, Minimum Motor Horsepower 1/2 hp, Maximum Motor Speed 594 RPM, Minimum Motor Speed 261 RPM, Maximum Static Pressure 5/8 in wc, For High-Static Pressure Applications No, For Air Type Clean Air. This item has been restricted from sale in the following state (s): []