* Provide effective and thorough biological and chemical filtration, creating superior aquarium water environment * Activated carbon and 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