Ideal for watering up to 6 plants with only 1 unit. Micro irrigation emitter contains 6 pressure-compensating ports. Provides equal water flow at 1 GPH for each outlet. Unique insert prevents tubing kinks and outlet damage. Female threaded connection. UV inhibitors added to material. Inlet: 1/2-Inch female pipe thread, outlet: 4 recessed ports for 1/4-Inch tubing.