Compatible with aquarium oxygenation, compatible with circulation filtration, suitable for small aquariums and breeding tanks. The mini aquarium air pump filter features an excellent filter sponge, providing good filtration and effectively maintaining water quality. Mini aquarium sponge filter, dimensions 11.2 × 6 cm, with an inner diameter of 1.75 cm. Air driven sponge filter increases oxygen levels in the aquarium while circulating water effectively, when connected to an air pump, it creates fine bubbles that improve aeration, helping maintain stable oxygen supply for fish, shrimp and other aquatic pets. Mini sponge filter is simple to install and use, just connect the air tube to an air pump and place the filter in the aquarium., Manufacturer: LT Easiyl