Features MAIN USES: Reduce the pressure, stabilize the pressure, and prevent the water purifier from bursting due to the high water pressure. GOOD SEAL: This valve has thick wall, good sealing and leakage security, safe and reliable to use. PP MATERIAL: Made of high quality PP material, this valve is wear-resistant and impact-resistant, ensuring long service life. PRODUCT DETAIL: This valve is G3/8 and the inner wall diameter is 9.5mm, suitable for the front end of various brands of water purifiers. IDEAL REPLACEMENT: Wonderful replacement for the old and damaged parts, help you improve water pressure and quality of life! Specification: Item Type: Water Pressure Regulator Product size: G3/8 (internal diameter of pipe opening approx. 9.5 mm/0.37 inch) Product function: reduce pressure, stabilize pressure, prevent the water purifier from bursting due to high water pressure Product Material: Food Grade Polypropylene PP Material Applicable location: Front end of different brands of water purifiers Stabilized Stress Range: 0.2~0.3MPa Package list: 10x water pressure regulator Package List 10 x Water Pressure Regulator