this was really simple
basically i went to the grocery store
bought the cat carbon crystals
drilled holes throughout the container
and taped a fan on top so that the fan blows into it
i basically have it running right next to my plants
i have 4 budding plants and i cant smell a thing
FRENCHIES22 Reviewed by FRENCHIES22 on . MOST EFFICIENT CARBON FILTER FOR UNDER 10$ this was really simple basically i went to the grocery store bought the cat carbon crystals drilled holes throughout the container and taped a fan on top so that the fan blows into it i basically have it running right next to my plants i have 4 budding plants and i cant smell a thing Rating: 5