Next Generation Of Sickleflow Fans Sickle Flow 120, a new series of the Cooler Master Fan family, provides a specific air cooling solution ideal for CPU coolers & chassis in-take fans. Optimized blade design with updated curve that improves air flow & air pressure. Enhanced frame structure, reducing turbulent flow & noise & increasing overall work efficiency. Sealed & secured fan bearing, preventing dust & lubricating oil leakage while increasing the fan’s operation stability & life span. Enhanced Fan Frame Enhanced frame structure, reducing turbulent flow & noise & increasing overall work efficiency. New Bearing Sealant Improve dustproof properties as well as prevent sleeve lubricant from leaking. New Blade Design Optimized blade design with updated curve that improves air flow & air pressure.