The 4 Plug-4FP from Fittings Unlimited Inc is a reliable plug fitting designed for secure closures in piping systems. Featuring a 4 size and a 4 female pipe thread (FP) connection, this plug is ideal for various applications requiring a tight seal. Made from high-quality materials, it provides excellent resistance to corrosion and wear, ensuring longevity and performance. This fitting meets industry standards for safety and reliability, making it a perfect choice for both commercial and industrial use.