WINSINN 40mm Blower Fan 24V Dual Ball Bearing 4020 40x20mm Turbine Turbo Brushless for Cooling CPU - High Speed (Pack of 4Pcs)

? Dual ball bearings - High Speed version ? High quality Dual ball bearings, More stable and Long life, suitable for continuous work. Use time can 24 hours / day. The life expectancy is about 60,000 hours. No maintenance required. But Lubricating oil can further reduce noise. ?Size: 40x40x20mm ?Rated voltage: DC 24V ?Line length: about 11.8in / 30cm --------------------------------------------------------------------------------------------------------------- Package include: ?4 x High Speed 4020 24V Dual ball bearings Blower Fan --------------------------------------------------------------------------------------------------------------------- Product Warranty: -WINSINN are devoted to offer premium quality products to all cherished customers. Meanwhile supply 60 days money back guarantee and 24 months warranty. -If there are any questions, please feel free to contact us, WINSINN Customer Service Team will spare no efforts to assist with you within 24 hours.