The 3/4″ M.I. x 1″ Straight Coupling 311 is a type of pipe fitting used to connect two pipes of different sizes. This coupling is ideal for residential and light commercial water supply systems where a reliable and durable connection is needed.

• Made from high quality grade CW617 brass
• Manufactured to EN 1254-2
• Suitable for use with copper pipe
• Suitable for use with plastic pipe
• Easy to use
• Suitable for internal and external use