How many cfm exhaust?

im using a 3.3' x 3.3' x 6'7" tent. I've been told exhaust is very important and it's time to get it bought. Is there a rule of thumb for the cfm ratings I need? I was told I need to match the cfm on the carbon filter and fan. Can anyone help me figure out the cfm I'll need for this Tent? I think I have a few 6" ports on the tent. Everything will hang up top hopefully. Also if anyone can point me in the direction of where I can get the best bang for my buck? Thanks
 
yes that's 72.9 cf ..you want to change air a few times a minute so a 200cfm should do....buy a 6 inch ventech like so or any brand you like it's 240cfm...should do fine. 25$
 

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No. I'm in California, got my medical card all that in my own home. Just had no other place but in my room. I'll be sleeping a few feet from it. Don't need all that smell in there if I don't have to.
 
No. I'm in California, got my medical card all that in my own home. Just had no other place but in my room. I'll be sleeping a few feet from it. Don't need all that smell in there if I don't have to.
ok then buy a scrubber that will fit....imo if I were legal and only growing in a 3 foot tent, I would just vent out side and call it a day...
 
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