MasterCool 4000-CFM 3-Speed Indoor/Outdoor Window Evaporative Cooler for 2000-sq ft (Motor Included) in the Evaporative Coolers department at Lowes.com
Frigiking Window Coolers - Phoenix Manufacturing Inc.
Essick Air 4700-CFM 2-Speed Indoor/Outdoor Window Evaporative Cooler for 1600-sq ft (Motor Included) in the Evaporative Coolers department at Lowes.com
A Homeowner's Guide to Evaporative Coolers | Family Handyman