[Drip Irrigation Emitters]: the sprinkler nozzle is made from reliable plastic, robust and durable, anti aging and high temperature resistance; Our drip rings will not break or deform easily; Our drip emitters are designed to stand up to regular use and withstand different weather conditions, making drippers Perfect for long term outdoor use [Easy To Install&Practical Design] 1.Use a knife or drill bit to drill a small hole about 4mm and Insert the barb into the hole instead of screwing it in by hand. 2.The nozzle itself has a threaded connector that can be directly connected to the PE hole without any additional accessories .You can just connection the PVC/PPR/PE pipes.Too loose in 1/4 inch hose.Need a of to seal off leaks. Not recommended on 1/4 inch hose. [Versatility in Application]: the Mini plastic sprayer nozzle finds its application in a of scenarios, such as garden, commercial greenhouse, agriculture lands, lawn irrigation, irrigation, landscaping, outdoor cooling, spraying disinfectant, swimming pool misting fog cooling, mist mosquito factory cooling and more; It can proves incredibly useful for keeping your plants watered and cared Features: This irrigation sprinkler nozzle is designed to be inconspicuous yet effective, therefore they 't distract from the natural beauty of your growing environment while ensuring your plants stay healthy. Our Mini irrigation misting nozzle has different degrees to meet your irrigation demands, making your spraying work more convenient and time saving. Specifications: Working pressure: 1.5-3.0 kg Spray flow: 30-55 L/ H Material: plastic colour: Multicolor Package Contents: 100 x 90-degree blue nozzles 100 x 180-degree green nozzles 100 x 360-degree red nozzles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.