Very cool! Thanks. Cant put on top. must not have a vent that is visable and any stealth must be from the bottom out. so yes best up high but I think it will pull from the bottom ok?? Have a totallly insulated almost air tight area... That vortex is it quiet? any better ones for sound??
quote=abomb;1862018]Ive just ordered the 6" Vortex 449cfm fan with a 20" filter the combo was 260.00 at thegardendepot.com its the cheapest i found and heard nothing but good things about it. That would be enough for your room! Good luck[/quote]