Nicrew Aquarium Internal Filter, Submersible Power Filter With Multiple Function For Fish Tanks 2 To 5 Gallon, 40 Gph, 3.5W

Provides effective and thorough biological filtration, creating superior aquarium water environment | Fine filter foam trap debris and fish waste, absorb odors | Enable to generate abundant air bubbles and water flow, optimal for oxygen supplement and water circulation of aquarium | Equipped with adjustable air regulator that distributes a gentle flow of water, making it safe for delicate fish or shrimp | Quickly assembles and disassembles, comes with four suction cups for secure in-tank installation, suitable for both freshwater and saltwater tanks