Rain Bird SW05-10PS Drip Irrigation Spot Watering Dripper/Emitter, 0.5 (1/2) Gallon Per Hour, 10-Pack. This robust pressure-compensating emitter provides a low 0.5 (1/2) gallon-per-hour flow rate. Ideal for watering root zones of small garden and landscape plants, shrubs, and container plantings. Rain Bird's pressure-compensating design ensures all plants receive the desired watering rate regardless of their position along the distribution tubing run. Uniform flow is delivered throughout a wide pressure range from 15 to 50 psi. Barbed ends securely retain 1/4" Drip tubing for a leak-proof connection. Self-piercing barb allows for direct insertion into the side of 1/2" or larger Drip irrigation tubing, or use with 1/4" tubing for positioning near individual plants. Simple to insert by hand, or for faster installation use one of Rain Bird’s insertion tools (sold separately): ET/1PK25S, HPUN1-1S, and HPTCX. Designed with large water passages and self-flushing action to help prevent clogging. Constructed of highly durable UV and chemical-resistant materials to withstand adverse conditions. Rain Bird emitters are color coded to easily identify flow rate. Convenient plastic bag contains (10) blue-colored emitters. Also available in: 1.0, 2.0, and 5.0 GPH flow rates to customize watering of varying plant types and sizes. Rain Bird "The Intelligent Use of Water"