yep,i got a 2x4x6 tent and im thinking start with ten till i get it down and then do more once i get pressure figured out in that tent,,just a exhaust fan sucks in the sides,im gonna do a 400 cfm on the floor to move the shit out that air,,my boy gt can do it ,i can too without ac,,its been a while since i used a filter though,,thinking cool tube 400 watt hid in top of tent,vent hose to reverse side of filter and blowing heat and smell into filter to exhaust,,havent tried will see,got to build 2 boxs to muffle the fan noise first,,figure i got 10 days at the least to get er done,,dig