Update: Deal over.

AmazonCommercial 20″ High Velocity Industrial Fan – Link

Amazon has this currently marked down to its lowest ever at only $36 w/free shipping!

• 20 inch metal floor fan for circulating air in industrial or commercial spaces; 3 speeds
• Ventilate, cool, and dry spaces such workshops, garages, factory floors, gyms, living spaces, and more
• Durable metal construction with powerful aluminum blades
• Pivoting function creates dynamic circulation and air flow in wide spaces
• Easy tool-free assembly