The Viega 77043 Propress Copper 45 Degree Elbow Fitting is a high-quality plumbing fitting designed for connecting two pieces of copper piping at a 45-degree angle. With a 2"x2" size, this fitting is suitable for various plumbing applications requiring a sturdy and reliable connection. The Viega brand is known for producing durable and efficient piping solutions, making this elbow fitting a dependable choice for any plumbing project.