Raindrip R144CT Drip Star 1GPH / Port for 1/2-Inch Riser, Single pack Ideal for watering up to six plants Micro irrigation emitter contains six pressure compensating ports Provides 1 GPH equal flow to each connection for drip irrigation not for jets of water Inlet: 1/2-Inch female pipe thread, Outlet: 4 recessed ports for 1/4-Inch tubing UV inhibitors added to material