OSHA Compliant Fixed Mount Circulation Fans Schaefer?s OSHA compliant fixed and oscillating circulation fans meet all OSHA safety regulation while delivering maximum airflow. These 2-speed fans have the versatility to be mounted on a ceiling, wall, pedestal or cart, which makes them the ideal cooling solution for any commercial, industrial or agricultural facility. Twister oscillating fans rotate 90?, cooling up to 4000 square feet. Twister's oscillating motor utilizes the highest quality metal gear design and construction, providing unparalleled strength and reliability in a fan market saturated with less dependable plastic gears. Features and Benefits: Matched direct drive motors and blades for highest achievable levels of airflow, rated up to 12,000+ cfm. Thermally protected, heavy-duty, maintenance fee, 2-speed motors for long life. Powder coated steel guards for corrosion resistant and durability.</p>