Big Ass Fans

Powerfoil X4

Meet the Powerfoil X4. The biggest and most powerful fan in the world. With a diameter ranging from 12 to 30 feet, it provides maximum airflow and comfort to the largest of spaces and the harshest of conditions. Featuring a high-efficiency motor, full-fan IP56 rating, and numerous safety features, it’s everything and anything you would ever want in an industrial fan. Improve air quality and increase productivity with Powerfoil X4 from Big Ass Fans. The biggest name in fans for over 20 years.