I think Racerx is right,A 4" inline vortex fan with a speed controller so you can control how much air you are moveing and how fast.Let us know which one you go with.imp:
crazywill Reviewed by crazywill on . A quick fan question if i may.... My GR measures about 3'x3'x6'. The growshop dude recomended one of these... http://www.hydrogarden.com/StockPics/TDmixvent_fan.jpg which removes 350m³/hr and costs £95 I can buy one of these... http://www.screwfix.com/sfd/i/cat/09/p4346309_x.jpg Rating: 5