Carbon filter fan strengh?

HistoryPuff

Active Member
Hey all,

I'm building a grow box so I need to make a carbon filter even though I may supplement with some other odor control products to be safe. My main goal for the box is stealth. It's only going to have 3 plants in at any one time, but they were all be 3 weeks apart in age therefore only 2 will really smell I'm guessing. I have 6 really weak computer fans, like 30-40 cfm or whatever. I was wondering what the minimum strength required to push air through a 6-9 inch carbon filter tube. Or what works well for low-cost (I'm very open to any odor control ideas so long as they work). Thanks guys!
 
As i understand it carbon filters are rated with a max cfm listing
so a diy i'm not sure of.
I run a 170cfm inline fan and will be buying a filter with a 200cfm rating.
 
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