The 1.660 TEE X 1-1/4X1-1/4 ASTM F1948 CAT 1 from Dresser Industries is a high-performance tee fitting designed for effective fluid distribution in piping systems. This tee features a size of 1.660 inches and is compatible with 1-1/4 inch connections, ensuring a secure fit. Constructed from high-quality materials, it meets ASTM F1948 standards, providing excellent durability and resistance to corrosion. Ideal for use in plumbing and industrial applications, this tee fitting is essential for maintaining system integrity and ensuring efficient fluid flow.