The Master® MAC-30WOSC high-velocity oscillating wall fan delivers fresh air quickly to localized spaces. Great for spaces with or without air conditioning, this oscillating wall fan can take the edge off of your monthly energy bill by allowing you to use the A/C more sparingly. And with our efficient direct drive design, you'll conserve even more electricity. It also has three speed settings, 72 deg oscillating airflow and features a heavy-duty, all-metal construction. Whether it's a warehouse, garage, barn or a crowded summer gathering, the Master MAC-30WOSC high-velocity oscillating wall fan is an efficient way to cool all types of spaces.