Three Angles Of Refractive Spray Our irrigation sprinkler heads contain three misting nozzles with different refraction angles, namely 90 degrees, 180 degrees, and 360 degrees. When you need them to water your plants, you can choose the appropriate micro sprayer irrigation, drip irrigation spray emitters can save you precious time and water resources.High Quality Material These micro sprinkler heads are made of high-quality engineering plastics, stable and sturdy, not easy to age, small and exquisite, you can be used outdoors for a long time with rigorous quality control, Letting you use them safely.Easy To Use You can use a knife or punching tool to drill a small hole in the PE pipe. The bottom of the drip irrigation emitters is a threaded interface, and then the drip irrigation spray heads can be directly inserted into the small hole of the PVC/PPR/PE pipes by hand. The operation is simple and quick, and it will not leak water.Wide Applications Drip irrigation sprinkler heads can be used in gardens, lawns, greenhouses, vegetable sheds, landscaping, flower beds, etc. As sprinkler head for irrigation systems. You can use three refraction angles of sprinkler heads for lawn sprinkler systems. Different plants use different refraction angles of sprinkler heads to get better care for your plants.What You Will Get The package contains 50 blue 90 misting sprinklers, 50 green 180 misting sprinklers, and 50 red 360 misting sprinklers. The size of the sprayer is 21x12 mm/ 0.82 x 0.47 inches, a total of 150 drip system sprinkler heads. Sufficient for your daily use and replacement. If you are Unsatisfied with the product you received, please tell us, and we will solve the problem for you as soon as possible.