The 3" F NPT X 2 1/2" M NST fitting from Sealfast is engineered for secure connections in fire protection and irrigation systems. This fitting features a female National Pipe Thread (F NPT) on one end and a male National Standard Thread (M NST) on the other, ensuring compatibility with various hoses and equipment. Made from high-quality materials, it is designed to withstand harsh conditions and resist corrosion. Ideal for industrial and agricultural applications, this fitting meets stringent industry standards for safety and reliability.