1,48 In. Portable Air Cooler 2,Cools 4,000 sq. ft/ 3,high performance ... 750W variable speed motor.3. No need to install, portable, could be used immediately after connecting water and electricity ... air hangers, livestock, warehousing, production lines, school events, outdoor dining, athletic fields, outdoor events, auto auctions, dry cleaners, greenhouse,etc. Industrial Portable evaporative air cooler ...