The Master MAC-12F high velocity floor fan delivers fresh air quickly to localized spaces. Great for spaces with or without air conditioning, this industrial floor 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 has three speed settings and features a heavy-duty, all-metal construction. Whether it’s a warehouse, garage, barn, or a crowded summer gathering, the MAC-12F high velocity floor fan is an efficient way to cool all types of spaces.