The Master 48" High Capacity Belt-Drive Barrel Fan will blow you away with the massive amount of air it moves and its quiet, belt-drive operation. When you need to save on A/C and cool a giant indoor or outdoor space, this fan has you covered. With solid wheels for portability and the durable all metal construction you demand, you know you're getting the best. This is a true workhorse high capacity fan. Master - built for power.