Finolex Dripper 16-LPH Violet ISI is a self-contained, flow-controlled, 16-liter per hour, 1/2-inch, all-purpose drip irrigation system. The dripper is equipped with a pressure compensating flow control device and a low flow, low volume, violet-colored sprinkler. The dripper has a compact design and features a black, UV-resistant polyethylene body with UV inhibitors. The device can be used in both the home and the commercial setting. High & best quality product.