24 Inch High Velocity Heavy Duty Industrial Fan with 3-Speed Adjustment Up to 8100 CFM, Large Fan Floor For Factory Storehouse Workshop Garage Gym Patio with Fans Cover. Black Black 24 ins is up for auction in Industrial & Scientific. The current bid is $30.00, 80% below the $149.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.