Aquarium Air Pump with Dual Output 4 L/Min Adjustable and Silent Oxygen Pump with Air Stone Air Hose Check Valve and Connector for Aquarium up to 380 L

Constant Output: Max Air Flow: 4L/min (64GPH); Pressure: 0.016MPa; Power: 4W Perfect for aerating freshwater and saltwater aquariums up to 100 gallons. Adjustable Air Flow: A rotary knob can control the amount of air for both outlets, which can achieve the desired air flow to fully oxygenate your aquarium. Quiet Operation: The pump emits a sound of 25dB in "Low" mode and a maximum noise of 45dB, such as the purring of a refrigerator, when the air flow is highest. 2 x Air Stone Discs: Produce many dense and medium bubbles that burst regularly on the surface of the water. A great way to aerate your aquariums and liven up aquatic life. Accessories for the pump: Includes 2 air stones, 2 m compressed air hose, 2 check valves and 2 connectors. Complete accessories to build the basic aeration installation in your aquarium.