Manufacturer AEDIKO. Item model number 7530. 7530 Blower Fan 7530 Cooling Fan widely used for 3D Printer,DVR,NAS,other PC CPU Server Cooling Dissipation,Anywhere & Electronic that Need Cooling. 7530 Cooling Fan Made of High Quality Plastics with High End Bearings, Which Make Fan Run Continuously at High Speeds Without Hassle or Concern.