The 3" x 1-1/2" FS 3M SW Insert by Capitol Manufacturing is engineered for seamless integration in fluid systems. This insert features a female socket connection, ensuring a secure fit with 3M fittings. Constructed from high-quality materials, it offers excellent resistance to wear and tear, making it ideal for both commercial and industrial applications. Its dimensions allow for versatile use in various piping configurations, ensuring optimal flow and performance. This insert is perfect for those looking to enhance their plumbing or HVAC systems with reliable components.