Features: The 3rd Gen Water Pressure Reducing valves ensures high flows rates, prevents debris ingress for reliable sealing, and operates quietly across wide pressure ranges, ideal for systems and mixed water setups. Featuring a strong plastic construction and vacuum triggered mechanism, this valves offers universal compatibility with most water purifiers for fast installation without adapters. Designed for households with heating appliances, overflows free filtrations systems, or variable flows plumbing environments requiring stable pressure control. improved for mixing water systems, under sink heaters, and appliances needing consistent pressure maintenance in dynamic water purification scenarios. Its self sealing diaphragm automatically closes when pumps stop, ensuring 0 backflow while maintaining quiet operation in demanding filtrations setups. Specifications: Material: plastic Size: about 3.6x6.6cm/1.42x2.6inch incenses water enters: 2-45℃ Applicable water pressure: -0.03-1.2MPa greatest water pressure resistance: 2.76MPa Throttle noise ≤38dB Package Includes: 1xPressure Regulator valves note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between diffe rent monitors, the picture may not reflect the actual color of the item.