[Multiple filtering function]: Sponge filter combines a 7-stage unique scientific design ribbed sponge, can quickly establish biological filters, improve the quality of purification water and wearing oxygen can do Rotate 360 degrees without dead angles, keep your crystal clear, own aquarium [special ceramic filter material]: The aquarium sponge filter is compatible with the ceramic biofilter container, which helps eliminate harmful substances and increase the oxygen content in the water tank, you can replace filtering to improve the quality of Water and [wiper sponge]: You can easily remove the sponge from the filter for cleaning or replacement. The sponge filters can also be mechanically filtered or biofilted, which can capture floating debris and prevent the baby from being aspirated in the 200L fish tank with the biggest costume]: Compatible with 2 suction cups, can be installed anywhere, can be easily hidden in the back wall of the aquarium, or can be used as a pre-filter or
