Nucarture Aquarium Biochemical Bio Sponge Filter Air Pump for Fish Tank Foam Sponge Aquarium Filter  (Biological Filtration for Salt Water and Fresh Water)

The sponge filters are made of excellent and perfect material; it can b reused for long time. The sponges of filter are designed by multi-layer principle, it has large surface, which will not cause blockage and could be wash easily. When using in filter system, the sponge filter will not cause any noise pollution.The sponge filter had gone through tough test in all expected situation for the perfect quality. When using air stone which will produce air supply for the aquarium tank, it will increase oxygen level in the tank. The sponge filter is suitable for all freshwater fishes, like Discus, Tetras, Guppy, Arowana, Betta and Etc.,