The SEALFAST 1 1/2" Female NST to 1 1/4" Male NST fitting is designed for specialized applications requiring a transition between different thread sizes. Constructed from durable materials, this fitting ensures a secure and leak-free connection. The female NST end allows for easy attachment to hoses, while the male NST end provides compatibility with standard pipe threads. This fitting meets industry standards for quality and safety, making it a reliable choice for various plumbing and industrial applications.