20PCS DC 12V 40X40X10mm (40MM / 4cm) Cooling Fans for 3D Mini Printer Extruder & Electronics

Bulk pack of 20PCS DC 12V cooling fans, each measuring 40X40X10mm (40MM / 4cm). These compact 4cm fans are suited for 3D mini printer extruders, electronics cooling and cooling printed parts. Use them as replacements or spares for small enclosures, hotend/extruder mounts and general electronics ventilation needs. Sold as a 20PCS set for workshop, repair or production use.