Activated Charcoal Carbon Pellets in Free Mesh Media Bags for Aquarium Fish Pond Tank Canister Filter (20 lbs, 4-Pack)

Removes odors, discoloration, and impurities to keep water crystal clear. 4 bags of 5 lbs activated carbon, 20 lbs in total. Size of the mesh bag: 12"x10.5". The zipper is made of plastic. Note: As with all carbon media, always rinse thoroughly to remove excess dust till the water runs clear before use.