1.Submersible power filter provides effective and thorough biological and chemical filtration, creating superior aquarium water environment. 2.Activated carbon and fine filter foam trap debris and fish waste, absorb odors. 3.Submersible power filter enable to generate abundant air bubbles and water flow, optimal for oxygen supplement and water circulation of aquarium. 4.Equipped with adjustable air regulator that distributes a gentle flow of water, making it safe for delicate fish or shrimp. 5.Quickly assembles and disassembles, comes with four suction cups for secure in-tank installation, suitable for both freshwater and saltwater tanks.