O2 Commercial Air Pump， 571 gph 2.47 psi 20watts 120volt Hydroponics，Aquarium，Pond air pump</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>The Elemental Solutions® O2 Commercial Pump’s powerful electromagnetic motor pushes 571 gallons per hour to provide reliable output for air diffusion devices.</li><li>It features high-quality aluminum alloy housing and a wear-resistant cylinder and piston.</li><li>The 120-volt， 20-watt O2 commercial pump includes a six-outlet air divider and 1/4-inch-ID connection tubing.</li><li>The air divider is compatible with 3/16-inch-ID tubing.</li><li>The Elemental Solutions O2 Commercial Pump features a one-year warranty.</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41DqJK9YyNL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/515HVHDo-TL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51ndiKTh5vL.jpg' noproxy></br>