<ul><li>Length: 6.17"</li><li>Color Family: Black</li><li>Material: Flexible PVC</li><li>End 1 Diameter: 4"</li><li>End 1 Type: Hub</li></ul> Product Description Fernco 4 in. Hub x 4 in. Dia. PVC Flexible Coupling From the Manufacturer Established in 1964, Fernco is a global leader in manufacturing high-quality flexible pipe couplings, drainage, and plumbing systems. Renowned for exceptional performance and reliability, Fernco products are trusted by homeowners and professionals alike. With a commitment to innovation and dependability, Fernco has earned a strong reputation for delivering superior solutions. As a proud USA manufacturer, Fernco is dedicated to maintaining the highest standards of production and engineering.