The I.D. to I.D Diameter Pipe Coupler (GR-CP-258A) is a practical and versatile product designed to connect pipes with a diameter of 2 1/2 inches. Made from aluminized material, this pipe coupler is available in various diameters ranging from 2 inches to 8 inches, ensuring compatibility with most makes and models. With a length of 8 inches, this coupler is sold individually and offers a reliable and durable solution for joining pipes. Its versatility and high-quality construction make it an ideal choice for a wide range of applications.