Those fans are not as loud as you think. You can put a muffler on the air inside to quit down the swoosh should. I have a few 10" vortex fans (same style) and they are not that loud right out of the box.

If you have a good carbon scrubber then there is no odor.
Zandor Reviewed by Zandor on . big mofo fan hey all, how does this sound to u guys? like is this thing going to be real loud and can u easily get filters for them? http://cgi.ebay.co.uk/HYDROPONIC-8-RUCK-EXTRACTION-FAN_W0QQitemZ7738618700QQcategoryZ43555QQssPageNameZWDVWQQrdZ1QQcmdZViewItem paranoid about smell as just found out groundsman who is always walking past the room where im growing used to be in CID. (detectives) hmmmmmm dodgy, hes a real anal weirdo too. cheers Rating: 5