<p><b>Our Advantages:</b></p> <p>Manufacturer direct selling, better professional support.</p> <p>Super simple installation.</p> <p>Our aquarium air pump is ultra quiet,and it pumps a good amount of air into the tank, makes your aquarium more vivid.</p> <p>Equipped with 2 high-efficiency air stones, puts off a nice spread of bubbles at a pretty good pace, which will makes your fish or shrimp love it. Also come with a replaceable air intake cotton, makes your air pump work in a good condition for longer time.</p> <p><b>Item Dimension：</b><br></p> <p>13*5.7*7cm/5.1*2.2*2.8in</p> <p><b>Package Including：</b></p> <p>2 x Return Valve, 2 x Air Stone, Airline, Connector, Air filter cotton</p> <p><b>Parameter:</b></p> <p>Power: 3W, 120V/60Hz</p> <p>Flow: 4L/min</p> <p>Pressure: 22Kpa</p>