Package includes: 1 x brass pressure reducer High Pressure Resistance: suitable for a variety of occasions and has a wide range of uses. The connector is DN20 Material: Brass No branch pipes needed: No branch pipes are required and the piping is simple, which can save a lot of space and piping costs. Wide Application: The safety valve can be installed in front of most tap water supply equipment, can be used in homes, buildings, factories, and has a wide range of applications. Pressure adjustment button: There is a pressure adjustment button on the top cover, you can adjust it according to your needs. Perfect setup: the set comes with a pressure gauge, you can check the pressure clearly and easily. Quantity:1Pc Note: Manual measurement, there may be 1-2cm/1-3g error, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture, and the main picture shall prevail .