Biochemical Sponge Filter for Aquarium Polyurethane Bio Sponge

Improve aquarium water quality with a biochemical sponge filter designed for biological filtration. This polyurethane bio sponge helps support healthy bacteria and stable water conditions in your tank.Benefits Biological filtration for reliable, natural water cleanliness. Multifunctional filtration material suitable for aquarium filtration, air filtration, and even dust protection for electronics, with sound absorption benefits. Cuttable design for a custom fit to your setup. Material: polyureth