【Suitable for aquariums under 60cm】Comes with 2 suction cups to adhere to glass, can be installed anywhere, can also be used as a pre or secondary filter; Perfect for shrimp tank, betta tank, breeding tank, turtle tank, goldfish, discus, crayfish, fry, baby fish or other fish. 【Multiple filtration function】The sponge filter has two small filter boxes, it means more area for sowing beneficial nitrifying bacteria and faster circulation, the filtering effect is better. Sponge filters provide both mechanical and biological filtration, provide the ideal site for bacterial colonization, and sponges trap larger debris particles that mechanically clean the water without trapping baby fish. 【Keep the water quality clean】 You can easily remove 2 sponges from the filter to clean or replace it. It also has a filter holder inside, which will help remove harmful substances and provide additional cleaning capabilities. Circulate faster, so your tank water is extra clean and clear. Make your fish
