“3 in 1 filter: filter equipped with an aquarium pump and double filter media, it can filter water, add oxygen and form a fountain at the same time, helping to agitate the water surface and improve aeration Dual filtration system: Activated carbon and foam that make up the best water filtration system for small aquariums (sold separately) ensure good oxygenation for clear water and a healthy environment Easy to use: Assembles and disassembles quickly and comes with five suction cups for secure installation in the aquarium Humanized design: The entrance of water adopts relatively narrow fences to effectively prevent fish and shrimp from entering the filter Wide range of use: Perfect for irregularly shaped or shallow habitats - can be mounted horizontally or vertically and can be fully submerged Filtration is u n essential technical element for maintaining the balance of an aquarium. It is therefore essential to choose the power of the filter according to the fish population and the