The product is a set of 2 boxes containing 3 Tetra Whisper BIO-Bag Filter Cartridges with ultra activated carbon. These cartridges are designed for aquariums with a 10-gallon tank capacity and are located internally within the filter. The activated carbon helps to remove harmful toxins and chemicals from the water, providing a safe and clean environment for fish. The cartridges are specifically designed by the brand Tétra to meet the filtration needs of aquariums. Total of 6 filters.
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