These exhaust fans are used for warehouses and other industrial environments. Industrial exhaust fans are available with a single-phase 120V motor or a 3-phase 230/460V motor. These belt drive exhaust fans feature permanently lubricated drive shaft bearings and a belt drive for long life. 24" and 30" Fans have Steel blades and venturi housing with a powder coat finish. 36" and 48" Fans blades consist of Aluminum paddles with Steel Hubs. Optional Shutters (sold separately) feature gravity close louvers, aluminum blades and frame with weather stripping for an air tight seal. 1 Year Limited Warranty.
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