Boyu Biochemical Sponge Filter

This simple internal filter works with the power of any air pump connected to it by means of a flexible hose. It can also be used as a pre-filter for external filters or power heads. Sponge filters provide a suitable mechanical and biological filtration, according to the size of the filter and the bio load of the aquarium. They are cost-effective as they consume only a tiny amount of power to pump the air needed. Diameter: 7,5 cm Height: 9,3 cm Height incl. exhaust pipe: 19 cm exhaust pipe may be shortened by cutting)