It can be used as a water filter to purify the impurities in the fish tank, and it can also be used as an oxygen pump for the water tank. Access to the air tube increases water oxygen and provides a healthy environment. 【400L/H adjustable water flow】Features: Oxygenation, filtration, and circulation three-in-one. 【Rain Curtain/Water Curtain Design】: The water spray mode will present a beautiful rain/water curtain scene. NOTE: Avoid excessive currents, which may affect fish life. 【Easy to Assemble and Clean】: The aquarium filter pump is equipped with suction cups that you can stick to the walls and bottom of the aquarium. The filter element can be easily removed. 【IMPORTANT NOTE】: The suction cup can be fixed on the glass surface. Please check and clean the filter parts regularly, once a month is recommended. The filtering effect will be better after cleaning. Power: 3w, 5w 0.19kg 168.55.5cm