VEVOR Drum Fan, 24 Inch High Velocity Industrial Shop Fan, Heavy Duty Commercial Use 3-Speed 8600CFM, 360°Adjustable Tilting,0-2h Timer Industrial Floor Fan for Warehouse,Workshop,Factory, Basement Adjustable Speeds Aluminum Blades Flexible Use Long Power Cord Versatile Applications Easy Installation Airflow: 8700 CFM,Timer: Yes,Item Model Number: HIFANXDRUM24,Speed Settings: 3,Product Dimensions: 30.71 x 27.95 x 12.6 inches (780 x 710 x 320 mm),Net Weight: 22.71 lbs (10.3 kg),Power: 145W