Extraction systems

Im building my own spray booth and im looking for a good extraction system!!
Do anyone have some experience they would like to share!!
Maybe a good link[?][?]
Please help so I can get the right extraction system[bow]

I just built one. I used a Pair of BRUSHLES fans in them (1 turned out not to be enough)
The Fan:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3803351996&category=42910S

Send me a email w/ questions (I’ll try to take some pics tonight)