The 1-1/4 FS 3M SW AAR UNION X-Series from Capitol Manufacturing is a premium quality union fitting designed for seamless pipe connections. With a size of 1-1/4 inches, this fitting is constructed from high-quality materials to ensure durability and resistance to corrosion. The 3M socket weld design allows for a secure and leak-proof connection, making it ideal for fluid transport in industrial applications. This union fitting meets stringent industry standards, providing reliability and performance for plumbing and construction projects.