I see, but what about air purifiers? The reason I rather not buy a carbon filter online is because the shipping will cost about the same as the filter. If the purifier can take between 50 - 75% of the odor so it only stays in the growing room then it's fine since I don't live in a city anyways.
Hey I'm planning on making my own 2x2x6.5 grow room just for one ak47 plant. I only need to move 13 CFM and therefore I was planning on making my own little cheap carbon filter since I don't want my whole house to smell of skunk. But I'm really on a low budget here so can I just use like a cheap...