diy carbon scrubber

Hers my homemade Carbon filter and my extraction fan wich is made from a old bathroom ceiling fan. Not pretty but works great and didnt cost a dime. If Anyone wants to know how to build one lmk ill give detailed instructions.

I made my own years ago because I like to make things better and cheaper than what you can purchase them for. This one works great, I used to use it in a 12 5 gal bucket 3k hid grow for years and nobody ever grew wise of my grow space. Time to use it again so I took it apart to put new...