The 5 Inch By 4.5 Inch Rubber Reducer Insert is a practical and versatile product designed to fit most makes and models. Made from durable black rubber, it offers a reliable solution for reducing pipe sizes. With measurements of 5.5 inches for A, 5 inches for B, 4.5 inches for C, and 1.5 inches for D, this insert ensures a secure and snug fit. Sold individually, this rubber reducer insert is a must-have for any plumbing or construction project. Its high-quality construction guarantees long-lasting performance, making it a valuable addition to your toolkit.