Check the listing for details. Rain Bird Drip Line Micro Irrigation Drip Emitter - 100 pc Bag 0.5, 1, 2 GPH Pro. Condition: New. Listed at 68.97 USD. Rain Bird Drip Line Micro Irrigation Drip Emitter - 100 pc Bag 0.5, 1, 2 GPH ProSimple and easy to install. Landscape Pro and DIY. Fast Shipping 📦5 ⭐ Service The only emitters with self-piercing barbs, making them the easiest to install using the Xeriman™ toolWidest selection of pressure-compensating emitters, with 3 flow rates and 3 inlet optionsFlow-rates of 0.5, 1.0 and 2.0 gph (1.89, 3.79 and 7.57 l/h)Pressure-compensating design delivers uniform flow throughout a wide pressure range (15 to 50 psi; 1.0 to 3.5 bar)Available with 3 different inlets (1.0 and 2.0 models):-Self-piercing barb for quick, one-step insertion into 1⁄2" or 3⁄4" drip tubing-10-32 threaded inlet that easily threads into a PolyFlex Riser (see page 130), 1032 Thread adapter (page 130) or 1800 Xeri-Bubbler Adapter (page 130)-1⁄2" FPT inlet that easily threads onto a 1⁄2" PVC riser (1.0 and 2.0 gph models)Outlet barb securely retains 1⁄4" Distribution Tubing (XQ)Design makes installation and maintenance easy-Self-flushing action minimizes cloggingColor-coded to identify flow rate