The SEALFAST 4" Flanged Inlet to 2-1/2" NST Outlet fitting is designed for efficient fluid transfer in fire protection and industrial applications. This fitting features a robust flanged inlet for secure connections and a 2-1/2" NST (National Standard Thread) outlet for compatibility with standard hoses and equipment. Constructed from durable materials, it ensures long-lasting performance and resistance to wear. This fitting meets industry standards for safety and efficiency, making it an essential component for fire departments and industrial systems.