100% brand new and high quality Features: Made of high quality plastic material, solid and durable, have a long service time. With this valve, it can largely increase the water pressure when water is low, and meanwhile keep the water steady when the high water pressure. RO water system: prevent the harm of water hammer, increase the lifetime of the system and reduce the breakdown of leakage when water flow too fast. The filter protection design effectively keep the RO system operation in good condition.Can be installed in most of the water purifiers, faucet, and other water device. Specification: Maximum Pressure: 507Psi Maximum Flow: 40ml/s Flow-limiting Valve: 10-50Psi Material: POM plastic Interface: 1/4", 3/8" Dimensions: 5.5x6cm/2.17x2.36inch Color: White & Blue Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Water Purifier Pressure Reducing Valve (without retail package)