So you are looking for fan that can deliver large airflow? The Big Ass Fans Black Jack fan is worth a look. It is 6-foot indoor/outdoor mobile fan with wheels. It has a steel cage and IPX5 rating. The Black Jack comes with a silent permanent-magnet motor. It delivers an airflow spanning 120 feet. The airflow is easily adjustable with the fan’s speed controller.
These big fans are ready to be washed down. They fit through standard doors and come with handles on both sides for easy movement.