The 1-1/4 FS 3M SW Coupling from Capitol Manufacturing is a robust coupling designed for 1-1/4 inch female socket connections. This coupling features a socket weld design, ensuring a secure and leak-free connection in high-pressure applications. Constructed from high-quality materials, it offers excellent durability and resistance to corrosion. Ideal for use in plumbing, HVAC, and industrial systems, this coupling meets industry standards for reliability and performance. Its compact design allows for easy installation, making it a versatile choice for both professionals and DIY enthusiasts.