Art-400 Aquarium Bio Filter

The super biochemical sponge filter is a filer that keeps your aquarium always clean. The filter provides mechanical and biological filtration for easy aquarium maintenance.
As a mechanical filtration, it use the air-riven system to create suction, that allows the sponge to capture floating particles in the water and return filtered water to the tank. As a biological filtration, harmful wates are biological transformed into a relatively harmless substance by aerobic bacteria that accumulates in the sponge.
This kind of sponge is also suitable for discus breeding tanks, small tropical fish tanks and fry stock tanks.