Fluval C4 Carbon - 12 Filters Total (4 Packs with 3 Filters per Pack)
- Designed for use with the Fluval C4 Power Filter.
- Provides efficient chemical filtration for the health and clarity of your aquarium.
- C4 Activated Carbon improves water clarity by effectively eliminating odors, discoloration and impurities.
- Fluval Carbon is made from bituminous coal, which is the best overall source material for carbon used for aquarium water filtration due to its varying pore structure and sizing.