The 4" x 2-1/2" NST Storz to Rigid Female fitting from Sealfast is engineered for reliable connections in firefighting and industrial applications. This fitting features a durable construction that meets industry standards, ensuring a secure and leak-free connection. The NST (National Standard Thread) design allows for compatibility with various hoses and equipment, while the Storz coupling provides quick and easy attachment. With a size of 4 inches by 2-1/2 inches, this fitting is ideal for high-volume water transfer, making it a crucial component for emergency response teams and industrial operations.