XinYou XY 280 Sponge Filter

With XinYou XY 280 Sponge Filter, this Super Bio-Sponge Filter keeps your aquarium always clean. The filter provides mechanical and biological filtration for easy aquarium maintenance. For tanks 280litre and smaller. As a mechanical filtration, it uses the air-lift system to create suction, allowing the sponge to capture floating particles in the water. it then returns filtered water to the tank. As a biological filtration, harmful wastes are biologically transformed into a relatively harmless substance. This is done by aerobic bacteria that accumulate in the sponge. This kind of sponge is also suitable for Discus breeding tanks, small tropical fish tanks, and fry stock tanks.