The 5 Inch ID To 4 Inch ID Rubber Reducer Hose is a practical and versatile product that fits most makes and models. Made of durable black rubber, this hose features a 5-inch inner diameter (Measurement A) that smoothly transitions to a 4-inch inner diameter (Measurement B). With an overall length of 5.5 inches (Measurement C), it offers a 1.75-inch bottom length (Measurement D) and a 1.5-inch top length (Measurement E). Sold individually, this hose is a reliable solution for various applications. Its high-quality construction ensures long-lasting performance and seamless connectivity.