The 6 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 6-inch inner diameter (Measurement A) that smoothly transitions to a 4-inch inner diameter (Measurement B). With an overall length of 6 inches (Measurement C), it offers a 3-inch bottom length (Measurement D) and a 2.12-inch top length (Measurement E). Sold individually, this hose is a reliable solution for various applications.