Fluval Zeo-Carb Filter Bags

Fluval C3 & C4 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 and healthy aquarium. Combining two products into one creates more space in the filter for other types of media. For freshwater use only.