Here are some links for ya.

Cool Components

Link: http://www.coolcomponents.com/Cooling-Products_c_6.html

Wind Willy

Link: http://www.windywilly.com/index.html

Middle Atlantic

Link: http://www.middleatlantic.com/rackac/cooling/qcool.htm


Your could always build your own, just pay a visit to a radio shack store.