This Carbon Steel Expanded/Slotted End Curved Top Stack is designed to reduce from 6 inches to 5 inches, making it a practical choice for various applications. Made from durable carbon steel, this 84-inch stack fits most makes and models. Its expanded/slotted end and curved top design ensure efficient airflow and optimal performance. With its versatile features and high-quality construction, this stack offers reliable functionality and compatibility. Whether for industrial or residential use, this carbon steel stack is a dependable choice that delivers excellent results.