ELECTRIC, COOLING, FANS. and fluidyne from what i've read, although i don't own one.... yet
All you need Homie
http://store.summitracing.com/defaul...earchType=Make props to Mr. Nickleye for turning me on to this site. The difference between the three fans is color of the backing board they are mounted in. Red, blue or Black(the cheapy). Good luck.