Features: Double ball bearing cooling fan efficiently reduces hotend temperature with 4015 blower design, preventing material clogs and layer separation during intensive 3D printing operations. Engineered with 30% quieter operation than standard fan and durability double ball bearings rate for 50,000+ hours, ensuring reliable performances for high precise printing tasks. Ideal for professional 3D printing enthusiasts and makers requiring uninterrupted workflows in home studios, workshops, or office environment. Optimizes print quality in enclosed space by maintaining stable thermals management during prolonged ABS, or PETG filament extrusion projects. Features easy installation with universal connectors, compatible for 3/4Pro 3D Printer 3D printers for seamlessly upgrades. Specifications: Component:ABS Size:Approx.40x40x15mm/1.57x1.57x0.59inch Model: EFC04C24M for 3/4Pro 3D Printer Voltages: DC24V Current: 0.15A Power: 3.6W Speed: 9500RPM Air volumes: 2.5CFM Bearing:Double ball bearings Temperature ranges: -10-80℃ Package Includes: 1pc 3D Printer Cooling Fan note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.