The SEALFAST 1 1/2" F NPT X 1 1/2" F NST fitting is a versatile solution for fluid transfer applications. Featuring female national pipe threads (F NPT) on one end and female national standard threads (F NST) on the other, this fitting ensures a secure and leak-free connection. Constructed from high-quality materials, it is designed to withstand harsh conditions and provide long-lasting performance. With a size of 1 1/2 inches, it meets industry standards for compatibility and reliability, making it an essential component for various plumbing and industrial applications.