The 4" NPT X 2 1/2" NST X 2 1/2" NST fitting from SEALFAST is designed for versatile plumbing and irrigation applications. This fitting features a 4" NPT connection, ensuring compatibility with standard pipe sizes. Constructed from high-quality materials, it offers excellent durability and resistance to corrosion. The dual 2 1/2" NST connections provide flexibility for various configurations, making it ideal for fire protection systems and water transfer applications. This fitting meets industry standards for reliability and performance.