Our small aquarium filter can be used as a water filter to purify the impurities in the fish tank and also as an oxygen pump for the tank. Access to the air tube increases water oxygen and provides a healthy environment. [400L/H water flow, energy-saving motor]: power consumption is only 5W, green and environmental protection, fully enclosed glue filling will never leak water and electricity, the machine head can be disassembled for regular cleaning Rain/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, which you can stick to the walls and bottom of the aquarium. The filter element can be easily removed. Hook design, the hook can be adjusted, the maximum thickness can be clipped 3CM, the high water level is used (the high water level is suitable for fish and other animals) 【Important Note】: The