Out of stock 3-Speed 24 Inch Industrial Drum Fan with Aluminum Blades ES10117US-BK 3 Strong Wind Speeds: With an adjustment knob, the wind speed can be set to high, medium, or low. In particular, the high speed provides a maximum of 1300 CFM and air delivery distance up to 23ft. Therefore, the direct-driven drum fan is a perfect choice for cooling the whole workshop.● Scientific Safe Design: We know how important safety is to consumers, so the barrel fan is designed with a sprayed steel drum and dense steel grill, avoiding direct customer contact with rotating aluminum blades. Meanwhile, the barrel fan also comes with an ETL certification for secured safety. 1-Year Warranty Manufacturer