The Grand Rock 8 Inch Length I.D. to I.D. Pipe Couplers are a practical and durable solution for connecting pipes of varying diameters. Made of aluminized material and measuring 8 inches long, these couplers are available in diameters ranging from 2 inches to 8 inches, fitting most makes and models. Sold individually, these pipe couplers are a versatile and reliable choice for a wide range of applications. With their sturdy construction and varying size options, these couplers provide a convenient and effective solution for connecting pipes with ease.