Description
Aquarium Sponge Filter With Air Stone, Airline Tubing For Betta, Nano, Shrimp, Fry Fish Tank The improved aquarium sponge filter with bubble stones, More oxygen, Less Nois effective. Sponge filter provide both mechanical and biological filtration Connect one end to you air pump and the other end to this filter,and equipped with a check valve on air hose, to prevent water backflow and air
