Amazon.com: Portable Swamp Coolers - 5300 CFM MC61M Evaporative Air Cooler with 3-Speed Fan - Water Cooler Fan 1600 Sq. ft. Coverage High Velocity Outdoor Cooling Fan Swamp Cooler by Hessaire - Gray : Office Products
Amazon.com: Hessaire MC18M Portable Evaporative Cooling Fan, Indoor/Outdoor High Temp Environments, 1300 CFM, 500 sq. ft., 2-Speed Fan, 53.4 dB, White : Home & Kitchen
Hessaire 3,100 CFM 3-Speed Portable Evaporative Cooler (Swamp Cooler) for 950 sq. ft. MC37V - The Home Depot