Pressure regulator for water flow regulation in irrigation system, powerful watering control, covers every corner of the garden, it is and made of materials. This device is specially made for regulating the water flow into a certain PSI(25 PSI). Normal water pressure is much higher than a irrigation system could endure. A lot of irrigation systems just burst out of water. But our pressure regulator will control the water flow pressure into 25 PSI. Big Use In Setting Up You Watering System: When seting up your own watering system, you'll need to take really care of the water flow. Too fast would cause your watering system break, hose got burst out and wouldn't function well. Use our drip irrigation pressure regulator and wrap your externally threaded hose with the leak-proof tape we provide you to prevent water leaks. Makes maintenance of your water system and garden easy. Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you! Colour:As Shown Material:Plastic Package Contents: 2 * Drip Irrigation Pressure Regulator 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.