Description
This 40x40x10mm axial fan is a drop-in replacement for the hotend or part cooling fan in the Prusa MK3 series, running quietly and efficiently at just 5V. The hydraulic bearing ensures low noise, long service life, and consistent performance — ideal for maintaining your printer’s thermal stability.
✅ Compatible with Prusa i3 MK3 / MK3S / MK3S+
✅ 5V input with pre-soldered JST or Dupont connector (if applicable)
✅ 40x40x10mm size – standard 4010 format
✅ Hydraulic bearing – long lifespan and low noise
✅ Perfect for hotend or extruder cooling
Rated Voltage: 5V
Cable Length: Approximately 750mm








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