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BFB0512VHD 5020 centrifugal turbine blower fan is a premium replacement cooler designed for projector cooling systems. Powered by DC12V 0.28A, the brushless motor generates pressurized airflow to discharge heat from projector optical engines and power components. Unlike regular axial fans, this centrifugal blower pushes focused air through the compact, narrow internal air passages inside projectors. The 50mm blower structure and mounting layout perfectly match the original fan assembly, enabling hassle-free direct replacement without complex modifications. It effectively reduces internal projector temperature, resolves overheating shutdown issues and extends the service life of your projector.