You are looking at an Aquarium Fish Tank Filter uses environmental high density sponge filter and high-performance activated carbon as filter material. It can absorb dirt and quickly resolve fish feces and eliminate smell in water.
Features: 1.100% brand new and high quality 2.Pneumatic carbon filter， can improve the water quality of the fish tank. 3.Mini size and practical design， can place it at the aquarium corner. 4.Can increase the solubility of oxygen in the water. 5.Suitable for small size fish tanks. 6.Can be also used as auxiliary filter for big size aquariums after linking with oxygen pump(not included).
