Fluval Activated Carbon Replacement Filter Media for C4 Aquarium Power Filter - 3 Pack

Designed for use with the Fluval C4 Power Filter, C4 Activated Carbon improves water clarity by effectively eliminating odors, discoloration and impurities. These carbon media cartridges provide high-quality chemical filtration, helping to keep aquarium water clean and clear. (Pack of 3 replacement carbon inserts for the C4 filter)