Tetra EX Carbon Filter Replacement Cartridges, Medium 4 ct

The Tetra Carbon Filters (Medium, 4-Pack) are ready-to-use replacement cartridges designed to fit the Tetra Whisper EX20 power filter. These carbon filter pads help remove odors, discoloration, and impurities from aquarium water, keeping it crystal clear and healthy for fish. Easy to install and replace, they provide reliable chemical filtration for freshwater aquariums.