Black Foam Sponge Filter Durable Biochemical Filtration For Fish Tanks

Feature: \n 1. The Biochemical Filter has the best effect on decomposing the excrement and the forage leftover\n2. Its multi\u2011porous feature will avoid blockages and provide the largest adhesion area for bacteria\n3. The material has great thickness, it is durable\n4. Very suitable for using in freshwater and marine water\n5. Can be cut any sizes as your needed \n\nSpecification: \nDescription: \n\n--\n\nThe Biochemical Filter has the best effect on decomposing the excrement and the forage leftover.\n\n--\n\nIts multi-porous feature will avoid blockages and provide the largest adhesion area for bacteria.\n\n--\n\nThe material has great thickness, it is durable.\n\n--\n\nVery suitable for using in freshwater and marine water.\n\n--\n\nCan be cut any sizes as your needed.\n\n--\n\nLightweight & softness design.\n\n--\n\nExcellent water permeability.\n\n--\n\nCultivate the nitrifying bacteria for biological filtration.\n\n--\n\nDense shape makes it effective to avoid residu: