Usb Rechargeable Oxygen Pump 4800mah 28kpa Air Aerator For Fish Tank

The deeper the air stone is placed, the more robust the oxygenation, perfect for fish tanks. Battery Capacity: 4800mAh. 1 x Oxygen Pump. Suitable For Fish Tanks: 30-100L. Equipped with two check valves to prevent water backflow, it operates safely and efficiently with a low 2W power consumption, avoiding overheating.