Powerful dual airport pump.  Extremely Quiet.  Adjustable Air Pressure Knob

• Steady Output: Max Air Flow Rate: 64 GPH; Pressure: 0.016 MPa; Power: 4 W. Perfect for aeration in 10 - 100 gallon fresh water and marine aquariums.
• Quiet Operation: The pump emits 25 dB sound under the “Low” mode and maximum 45 dB noise like the hum of a refrigerator under the highest air flow.
• 2 Air Stone Discs: The air stone discs of the air pump can produce lots of dense medium bubbles bursting into the surface of water. A great way inject vitality into your system!
• Pump Accessories: Include 2 air stones, 6.5-foot airline tubing, 2 check valves and 2 connectors. Complete accessories to build the basic aeration setup.
• Quiet Operation: The fish tank air pump emits 25 dB sound and maximum 45 dB noise. It can provide a quiet environment for your fish tank