Up to 50 Gallon: Suitable for freshwater saltwater; If the air pump place on 25 cm below the water surface, please install a return valve, otherwise the pump will flooding water, easily broken
Ultra Quiet Pump For Fish Tank: Exquisite rubber foot pads,further reduce the noise during operation of the air pump; Noise is less than 40 db, when running at maximum capacity, smaller air volume, lower noise
3.5 W Mini Air Pump: 3 L/min; Pressure is 0.01 Mpa; Water depth 2 Ft; Powerful air volume; Compact shape, fashion nice smooth mirror, easy to carry, classic all black color, made of durable ABS material
Dual Outlet Oxygen Pump: Includes pair of air stones; Two back flow valves; 3 connectors and couple hoses; Able to utilize both air outlets concurrently; Or use just one by employing a connector.
Adjustable Flow Rate: Rotate button on top to adjust air volume, meet the daily oxygen needs of your fish tank; Makes your aquarium oxygen levels high and helps keep your fish healthy