Fish Tank Air Pump: Max Air Flow Rate: 255GPH(4LPM*4), Pressure: 0.02MPa, Power: 12 W. This air pump can be used for both fresh and saltwater tanks, with a capacity of 1-255 gallon. It is energy-efficient and does not overheat. Create a healthy environment for marine life in your tank.
Adjustable Pump: Easily adjust the airflow and bubble size with the adjusting knob.