Quote Originally Posted by PharmaCan
Green - There are some great DIY carbon filter instructions in the FAQ section. I built one and it was a piece of cake - only took about an hour. And it was really inexpensive to build.

Check out these instructions.

PC :thumbsup:
i made one of these last week and it works amazingly! i used the cat litter crystals, so it actually gives off a sort of fresh scent if anything at all!