Fluval Pro Air Pump Single Oulet A402 The Fluval Pro Air Pump Twin Outlet A402 is designed for optimal air flow in your aquarium. Its high-quality construction ensures reliable and efficient performance. With the Fluval Pro Air Pump, you can create a healthy aquatic environment for your fish, plants, and other aquatic inhabitants. A Series Air Pumps are designed to significantly improve water circulation and essential oxygen levels for fish, plants, corals and beneficial bacteria. Hobbyists will appreciate a powerful air delivery that is designed with ultra-quiet operation and energy-efficiency in mind, in addition to adjustable flow control dials that allow each outlet to be independently controlled. • Powerful air delivery – provides excellent output flow-to-pressure ratio • Engineered noise dampening baffle chamber deliver an ultra-quiet operation • Oversized rubber feet stabilizers reduce vibration • Adjustable flow control dials allow each outlet to be independently controlled • Energy-efficient  • Space saving rubber hang tag easily mounts to side of aquarium stand for less clutter • For use with 1 or several air stones • For tanks up to 600 Litres