3 in 1 filter: It equipped with an aquarium pump and double filter media, it can filter water, add oxygen and form a fountain at the same time ultra-silent: The pump is really silent that will not disturb your fish (the pump must be completely immersed in the water during use) humanized design: Water entrance adopts relatively narrow fences to effectively prevent fish and shrimp from entering the Replacement filter: It is recommended to replace the foam block every 30 days (sold separately) easy installation: With 5 powerful suction cups, it is easy to place the filter in the aquarium and attach it to the wall of the aquarium Filtration is an essential technical element for maintaining a balance of a aquarium. It is therefore essential to choose the power of the filter depending on the fish population and the volume of water of your aquarium. Nicrew Indoor Filter eliminates toxic residues (foods, excrement …) contained in the water of your aquarium to transform them into non-toxic
