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 reverse hook spraying,large amount of water. It is used in a of planting areas,it is beneficial to all kinds of places where water is 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 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,,vegetable orchards,flower ,grass garden irrigation,etc. Color:black+gray material:plastic Package Contents: 50x Nozzle 50x Tee Connector Only the above package content, other products are not included. Note: Light 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.