Features: 1.Excellent for cooling heat sinks on hot ends, prints, extruder and other parts on 3D printer. 2.Made of high quality materials, environmental friendly, safe and harmless. 3.Bearing is high precision, long life. 4.50mm radial cooling fan with 2 Pin connector. 5.High rotation speed with low noise. specification:Description: This cooling fan for 3D printer is excellent for cooling heat sinks on hot ends, prints, extruder and other parts on 3D printer. Besides, The high speed revolutions can fast cool your printer. And made of high quality materials, this cooling fan is environmental friendly, safe and harmless. Excellent for cooling heat sinks on hot ends, prints, extruder and other parts on 3D printer. Made of high quality materials, environmental friendly, safe and harmless. Bearing is high precision, long life. 50mm radial cooling fan with 2 Pin connector. High rotation speed with low noise. s: Main Body Color: Black Product Size: 50 * 15mm / 1.97 * 0.59inch Air Inlet size: 32.3mm / 1.24inch Air Outlet size: 20 * 15mm / 0.79 * 0.59inch Package Weight: 30g Types: 12V, 24V (Optional) For 12V Fan: Rated Voltage: DC 12V Rated Current: 0.28A Power Consumption: 3.36W Revolutions: 6800 10% RPM Noise: 35 DBA For 24V Fan: Rated Voltage: DC 24V Rated Current: 0.1A Revolutions: 4200 10% RPM Package List: 1 x Cooling Fan for 3D Printer