This Prince RV Differential Poppet InLine Relief Valve is designed to provide optimal pressure relief for your hydraulic fluid system. With a maximum pressure range of 1500-3000 PSI, this valve is suitable for a wide range of applications. The unit type is a standalone unit, and the brand is Prince. The valve is made of high-quality materials and is designed to withstand harsh environments. It is perfect for use in check and foot valves, valves and manifolds, and other hydraulic applications. This unit quantity includes one valve, and it is a great addition to any industrial plumbing system.