【3500 CFM High Velocity Blower】This 12-inch utility exhaust fan produces a powerful 3500 CFM airflow with a 585W motor. Its 32.8 ft flexible PVC duct efficiently removes smoke, odors, and fumes in workshops, basements, and other enclosed spaces.【ETL-Certified Heavy Duty Construction】Constructed from solid steel with a corrosion-resistant coating, this industrial axial fan is designed for long-lasting performance in demanding workshop, warehouse, and garage environments.【Portable Design with Stable Base】Equipped with a convenient carry handle and non-slip rubber feet, this portable exhaust fan ensures quiet, vibration-free operation, making it easy to move and position for mobile ventilation needs.【IP44 Waterproof & Thermal Protection】With an IP44 rating, this ventilation and extraction fan is suitable for humid conditions, while built-in thermal protection guarantees safe and continuous operation in indoor and outdoor settings.【Versatile for All Environments】Ideal for workshops, warehouses, basements, crawl spaces, and garages, this high-capacity blower provides effective air circulation and cooling wherever powerful ventilation is needed.