AKK21630: Vacuum 3 Return HoseDurable hydraulic hose designed for efficient fluid transfer in various hydraulic systems. An internal diameter of 12. 50 mm (1 2 in) for high performance applications. Measures 1973 mm (77. 68 in) in length with end sizes of 20. 62 mm (0. 81 in) for secure connections. Constructed with robust high quality material, offering durability and reliability for demanding environments.