hydro tent

i bought one of those new hydro tents that have built in duct holes all around tent.i kinda paranoid about smell and was wondering what is the best setup for these tents for keeping smell down. here is tent New 4x4 x 6.5 HYDROPONIC GROW TENT HYDRO BOX HUT - (eBay.ca item 360051635639 end time 19-May-08 02:00:00 EDT)

i was thinking one of those ones with the inline fan and carbon scrubber hooked together with some kind of ducting tube it looked real pro you guys know anything about those setups ty