Hagen 3-Pack AquaClear 9-Ounce Activated Carbon Water Filter Insert for Aquarium (3-Pack);

AquaClear 110 Activated Carbon Filter Insert improves water clarity for freshwater and marine aquariums. AquaClear 110 Activated Carbon Filter Insert provides superior adsorption qualities which eliminate odors, discoloration and impurities. The Carbon Filter supports beneficial bacterial colonies and works to remove chlorine, smoke and aerosol spray contaminants. It is exclusively designed for use in the AquaClear 110 Power Filter.