Aquatlantis B-Box ecological cartridges offer superior filtration and minimize environmental impact thanks to the unique compostable properties of the biodegradable casing. The B-Box filter media is part of a modular, versatile, and easy-to-maintain cartridge system. B-Box coarse foam (10 ppi) acts as a pre-filter and retains waste in the water. For best efficiency, clean once a month with aquarium water. Replace every 3 to 5 months.
