Reusable 8D Fish Tank Filter Sponge Biochemical Aquarium Filter Foam Cotton Wool 8D No Glue Filter Media

❤️Product: Reusable 8D Aquarium Filter Sponge Fish Tank Filter Media  Foam Biochemical Cotton For Aquarium❤️Including:1 pcs Filter Media❤️Features:👍Compared with ordinary 6D, it has stronger filtering effect. The new upgrade👍Maintaining water quality in a purified aquarium👍The Biochemical Filter has the best effect on decomposing the excrement and the forage leftover.👍Its multi-porous feature will avoid blockages and provide the largest adhesion area for bacteria.👍The material has great thickness, it is durable.Can be used again after cleaning.👍 Can be cut any sizes as your needed.👍 Cultivate the nitrifying bacteria for biological filtration.❤️Size：50112CM30402CM50402CM