Wind-Driven Turbine Exhaust Ventilator, Bracing Location External, Head Diameter 35 3/4 in, Throat Diameter 24 in, Airflow @ 4 mph 2,350 cfm, Metal Material Thickness 20 ga, 24 ga, Overall Height 28 1/4 in, Overall Width 35 3/4 in, Housing Material Steel, Bearing Type Lower Thrust Ball Bearing, Oilless Bronze Upper Bearing, Bracing Material Steel, Housing Finish Galvanized, Includes -, Installation Requirements Base for New Installations, Flashing
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