The 4 X 1-1/4" 3M THRD RED CPLG from Capitol Manufacturing is a versatile coupling designed for various piping needs. This coupling features a 4-inch diameter and a 1-1/4 inch connection, making it suitable for reducing pipe sizes efficiently. Constructed from durable materials, it ensures a long service life and reliable performance. The threaded design allows for easy installation with standard NPT fittings. This product complies with industry standards, making it a dependable choice for both commercial and industrial applications.