2 - 2.5 foot growbox,no fans, how to put fans in/ HOW TO MAKE HOMEMADE CARBON FILTER

Garrettg1

Member
it is a hexagon ( six sides.... stop sign has eight ) shape, all throughout the cabinet.. middle is hollow, and i have to put two fans in the back ( 1 intake... 1 outtake/with carbon filter
any suggestions on making a homemade carbon filter? and how to put the fans in ( its wood ):leaf::leaf::leaf::leaf::leaf::leaf::leaf::leaf::leaf::leaf:
 
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