PYPABL 400GPH Powerful Aquarium Air Pump, Super Silent Fish Tank Bubbler PYPABL-Provide Your Pets A Better Life Rich experience in aquarium industry. Professional production technology for aquarium products. Bring a better life to aquatic pets. Better purchase and after-sales service. Descriptions: Large Air Volume: Max air volume: 400GPH(1500L/H), powerful and wide use. Adjustable Air Volume: This oxygen pump has an adjustment knob and it is easy to get suitable air volume. Super Silent: This aquarium compressor has unique instructure. Double-layer ABS shell and one-layer ABS inner liner, also with 4 rubber feet, a total of four steps of sound insulation effect, unique sealing design, effectively reduce noise. Voltage: 100-120V/60Hz Power: 12W Max Air Flow: 400GPH(1500L/H) Max Pressure: 25Kpa Dimension: 10.5*6*4.9in Ultra Silent Air Pump The fish air pump has a special inner structure design, you can hardly hear any noise when working, only the sound of bubbles. 4 steps of sound insulation: 3 layers of ABS sound insulation shell4 high quality soft silicone feet Adjustment of Air Volume Large air volume air pump, the max air volume is 400GPH(1500L/H), you can adjust the air volume by the knob. 12W Powerful Air Pump, high air pressure: 25Kpa, can be used in deep water. Package Details Accessories 4 in 1 Regulating Valve*2Air Tube(4.9FT)*22in(50mm) Large Air Stone*2Check Valve*2Suction Cup*2Air Filter Cotton*1 Dual Metal Outlets The fish oxygen pump has two metal outlets. 400GPH large air volume. Air Filter Cotton The bottom air filter cotton can filter impurities in the air. We send an air filter cotton for free as spare, which can increase the service life of the air pump.