E G Danner 40518 Supreme Hydroponic Air Pump， 7 watt<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Air Volume: 549 cu.in/min</li><li>Max. Water Depth: 4.5'</li><li>Number of Outlets: 4， flow adjustable</li><li>Watts: 7</li><li>Pressure: 0.014 MPa (2.0 psi)</li><li>Cord Length: 6'</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41G02Y5dzZL.jpg" noproxy>