★Great replacement item for your all metal hotend or maybe a small cooling fan for your 3D printer nozzle setup.
★Made of high quality plastics with high end bearings, this 3D printer part cooling fan can run continuously for days at high speeds without hassle or concern.
【Note】: If you meet the fans did not work, you can swap the red and black wires in the plug got it to work.
Description
Specifications:
Size: 40mm*40mm*10mm(L*D*H)
Speed: 7200RPM
Noise: 22dBA
Bearing: oil
DC 5V, 0.12A
Air Flow: 2.8CFM