Proflex 2" x 2" PVC Shielded Transition Coupling provides a reliable connection between cast-iron pipe and plastic, steel, or extra-heavy cast iron pipe without the need for bushings. Designed for ease of installation, it features an internal pipe stop that ensures proper fit while reducing noise and vibration during operation. The outer shear ring and clamp assemblies are built to meet ASTM A167-91 standards, delivering durability and secure performance in various piping applications. Model Number: