The 3" FNPT Brass Check Valve features a durable brass construction and a Buna-N rubber poppet, ensuring reliable performance in various applications. This valve is designed to prevent backflow in piping systems, making it ideal for water, oil, and gas applications. With a 3-inch female NPT connection, it meets industry standards for quality and safety. The Buna-N rubber poppet provides excellent sealing capabilities, while the brass body offers corrosion resistance and longevity. This check valve is perfect for both residential and commercial use, ensuring efficient fluid control.