Raindrip PC2010B 1/2 GPH Pressure Compensating Drippers， 10 Per Bag<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Maintains a constant flow rate even on hillsides or long circuits</li><li>Can be buried and "ported" up to surface with 1/4" tubing</li><li>Built to last</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41vxVV11x2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/01LedzIC%2BZS.png" noproxy>