Made from high-strength polyurethane, Flex-Tube® Swivel Connectors are designed to connect multiple lengths of hose and create single kink-resistant hose that is over 50 ft long. Units feature smooth, tapered interior to assure optimal material and air flow. When used with Flex-Tube® coextruded polyurethane hose which has ABS helix wear strip, connectors minimize twisting and flex fatigue. Connectors are available in 2, 2 ½, 3, 4, and 6 in. diameters.