20" Versa-Kool Tent Fan, Wired Cord, Twin Tube Pole Mount Increase safety and productivity with Versa-Kool circulation fans. The guard design allows for greater air movement at very low noise levels. Improve air quality and working conditions by strategically placing Versa-Kool circulation fans throughout the work area. Direct-drive. Totally enclosed motor with thermally protected pre-lubricated ball bearings. Safe non-restrictive fan guards. Aluminum fan blade. Noise levels are low. Includes 8" T-shaped powder coated steel mounting bracket and power cord. Variable speed capable.