To control the irrigation amount, you need our water regulator which can help you adjust the water flow from 0 to 25 PSI. Simply install it to water , you can adjust the water flow with great facility. A nice gardening irrigation supply not only helps you irrigate better but also saves water. Features - Brand: villcase. - ColorBlack - Material: Plastic. - Size: About 7.40X3.20X3.20cm/2.91X1.26X1.26in. - Our high performance water pressure regulator has passed rigorous and is known worldwide for its reliable performance. - With it, the water distribution is more uniform, and the overall efficiency of an irrigation system can be improved greatly. - It also helps conserve water and energy and extend sprinkler and your garden or nursery. - Plastic material, no external metal parts for excellent corrosion resistance. - Easily attached to any outdoor faucet, making farming, gardening and other irrigation more efficiently. Package list: 1 x villcase Water Pressure Regulator