The Hengst Fuel Filter with Fuel Pressure Regulator - H157WK is a high-quality, durable fuel filter designed to effectively remove impurities and contaminants from your vehicle's fuel system. It features a built-in fuel pressure regulator, which helps to ensure that the fuel pressure remains consistent for optimal engine performance. This fuel filter is compatible with a wide range of vehicles and is easy to install. It is a reliable and essential component for maintaining the efficiency and longevity of your vehicle's engine.