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-Quiet: The pump is really quiet which will not disturb your fish (the pump must be completely submerged in water when using) Humanized design: The water inlet adopts relatively narrow fences to effectively prevent fish and shrimp from entering the filter Replacement: 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 aquarium wall
