Fluval (3 Pack) C4 Stage 5 C-Nodes
- 9 total Fluval C-Nodes aquarium filter media.
- Replacement aquarium bio media for Fluval C4 Power Filters.
- Bio pellets grow beneficial bacteria to keep your aquarium healthy.
- Star-shaped design provide greater filtration surface area and biological filtering ability than most other aquarium media.
- This bacteria on Fluval's bio media breaks down harmful ammonia from fish waste and other organic matter and starts the aquarium nitrogen cycle.