The 1.660 ELL 90 DEG ASTM F1948 CAT 1 from Dresser Industries is a precision-engineered elbow fitting designed for seamless transitions in piping systems. This 90-degree elbow is constructed to meet ASTM F1948 standards, ensuring high performance and reliability. With a size of 1.660 inches, it is compatible with various piping materials and systems. The fitting is ideal for applications requiring directional changes in fluid flow, making it suitable for both residential and commercial installations. Its durable construction guarantees long-lasting service and minimal maintenance.