Fluval C3 Zeo-Carb is a premium blend of research grade Fluval Carbon and Fluval Ammonia Remover. Working together, these highly effective media eliminate liquefied impurities, odors and discoloration, while simultaneously removing toxic ammonia, for a clean, healthy aquarium. Combining two products into one frees up space inside the filter for other types of media.
Key Features :

For Fluval C3 Power Filter
Premium blend of research grade Fluval Carbon and Fluval Ammonia Remover
Highly effective at eliminating liquefied impurities, odors and discoloration
Also removes toxic ammonia
Creates clean, healthy aquariums
Frees up space inside the filter for other types of media
For freshwater use only
3-pack
Net Weight: 390 g (13.74 oz)

Other sizes available :

14019 Fluval C4 Zeo-Carb, for Fluval C4 Power Filter,