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 of the system and reduce the breakdown of leakage when water 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:Condition: 100% Brand NewMaterial: PlasticColor: White + BlueMaximum Pressure: 507PsiMaximum Flow: 40ml/sFlow-limiting Valve: 29-50Psi Suitable for: 3/8 Pushfit Tube Size(L x H): Approx. 6.5 x 6 cm / 2.56 x 2.36 inch Weight: Approx. 71gPackage Included:1 x Reducing ValveNote:Please allow slight deviation for the color and measurement. Thanks for your understanding.