AXIAL FLOW FAN HI AIR KOREA(HAK) AXIAL FLOW FAN is specially designed for robust design with high efficiency. They are available in wide variety all types and capacities and for all purposes. VIEW CENTRIFUGAL FAN HI AIR KOREA(HAK) CENTRIFUGAL FAN is specially designed for light duty and high efficiency. They are available in limited types and capacities and for the indoor use in relatively moderate condition. VIEW