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Tent intake filter?


Complete newbie grower here so I apologize in advance if this question has been asked and answered already. I have a 4' x 4' tent setup in my garage , and am running two 200W Cree COB setups in there for veg and flower. I bought a 4" Inline exhaust fan and a carbon filter and planned on using them inside the tent , then exhuasting to my attic. I was wondering what I should use to filter the intake ducts, as I dont want any little critters or spores entering the tent at all . Any suggestions would be appreciated.

I have this exhaust fan
VIVOSUN 4 Inch 203 CFM Duct Inline Fan /

Ipower 4" Carbon filter incase anyone needs to know!



Nug of the Month: Apr 2019
How important is it to filter intake air? I'm also in a garage and Have not been filtering during my grow [emoji15]

I should add that I have had fungus gnats and some random spiders, but both are gone now.
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