4010 Silent Cooling Fan 5V | 40x40x10mm Hydraulic Bearing Fan for Prusa i3 MK3, MK3S & MK3S | Quiet 3D Printer Cooling Fan

Description Upgrade your printer’s cooling performance with this 4010 Silent Cooling Fan (5V). Featuring a durable hydraulic bearing design, this 40x40x10mm fan delivers reliable airflow while maintaining quiet operation, making it an excellent replacement for worn or noisy cooling fans. Designed for compatibility with Prusa i3 MK3, MK3S, and MK3S printers, this fan helps maintain optimal cooling for hotend assemblies, electronics enclosures, and other airflow-critical components. The hydraulic bearing construction offers longer service life, reduced vibration, and lower operating noise compared to standard sleeve-bearing fans. Ideal for maintenance, repairs, and performance upgrades. Rated Voltage: 5V Cable Length: Approximately 750mm Note: the fan has two sides,but the side with sticker must be always facing the hotend (not visible when the fan is mounted). Otherwise the cooling won’t work properly.