The 4" NPT x 2 1/2" NST x 2 1/2" NST fitting from SEALFAST is designed for reliable connections in fluid transfer systems. This fitting features a 4" NPT (National Pipe Thread) connection on one end and two 2 1/2" NST (National Standard Thread) connections on the other, ensuring compatibility with a variety of hoses and equipment. Constructed from durable materials, it offers excellent resistance to corrosion and wear, making it suitable for both industrial and residential applications. This fitting meets industry standards, providing a secure and leak-free connection for your fluid transfer needs.