3 in 1 filter: Nicrew 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 surface of the water and improve aeration Dual filtration system: Activated carbon and foam that make up the best water filtration system for small aquariums (sold separately) ensures good oxygenation for clear water and a healthy environment Easy to use: Sets up and takes down quickly and comes with five suction cups for secure installation in the aquarium Humanized design: The water inlet 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
