It can be directly inserted on the PE pipe,convenient connection.Normal Connection:Suitable for 1/4 Inch irrigation. Adjustable,the misting nozzle can be adjusted to closed,misting,and spraying.Tee Connector make it reverse hook spraying,large amount of water. It is used in a variety of planting areas,it is beneficial to all kinds of places where water is needed.The nozzle atomization effect is very good,a large range,can also be adjusted to a thin water line,from the air to fall into a light rain effect. It is very firm and will not fall off when the water pressure is high.It is practical,light,flexible,simple,and has strong wear resistance and long service life. It is applies in Greenhouse cooling and irrigation,public green space,home gardening,agricultural production,gardening art production.Such as lawns,gardens,vegetable orchards,flower gardens,grass garden irrigation,etc. Color:black+gray material:plastic Package Contents: 400x Nozzle 400x Tee Connector 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.