MOST EFFICIENT CARBON FILTER FOR UNDER 10$

[slumper89]

cat carbon crystals??

slumper89 Reviewed by slumper89 on 11-09-2007. 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