Fluval Activated Carbon Replacement Filter Media for C4 Aquarium Power Filter
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.
Product Specifications
| Item | Quantity: 3 Pack |
|---|---|
| Compatible Filter Model | Fluval C4 Power Filter |
| Filter Type | Activated Carbon |
| Function | Removes odors, discoloration, and impurities |
FAQ
How often should I replace the activated carbon cartridges?
Replacement frequency depends on tank conditions and usage, but generally every 2 to 4 months is recommended for optimal performance.
Can this filter media be used with other Fluval filters?
No, this activated carbon media is specifically designed for the Fluval C4 Power Filter and is not compatible with other models.
Does the carbon media remove harmful chemicals like ammonia or nitrite?
Please contact customer service

Cameron Vaughan –
The carbon media works well to reduce fish odors and improve water clarity. I’ve used it for three months and noticed a significant improvement in the tank’s appearance and smell. Easy to install and fits perfectly in the C4 filter.
Sebastian Stewart –
Good quality carbon that helps keep the water cleaner. I changed it after two months and saw a noticeable difference in the tank’s clarity. It’s a reliable replacement for the original filter media.
Mary Vance –
Installed the new carbon cartridges and immediately noticed less odor in the tank. The filter runs smoothly and the water looks clearer. I’m happy with the performance and the fit.