Aqua Clear AquaClear 20 Activated Carbon Inserts, Aquarium Filter Replacement Media, 3-Pack, A1380
AquaClear 20 Activated Carbon Filter Insert improves water clarity for freshwater and marine aquariums. AquaClear 20 Activated Carbon Filter Insert provides superior adsorption qualities which eliminate odors, discoloration and impurities. It is designed to fit the AquaClear 20 Power Filter.