WINSINN 40mm blower fan 24v which perfect for ender 3 fan upgrade. Fit for Ender-3Ender-3 ProEnder-3SEnder-3 v2Ender-3 MaxEnder-5Ender-5sEnder-5 Pro Ender5 PlusEnder_6CR-5 Pro HCR-XCR-X ProCR-6 SECR-6 MaxCR-30 (Installation Position for Nozzle) High quality Dual Ball Bearings, 5-years Warranty. balance between high air volume and low noise, Suitable for 24 hours / day long-term work, long life: 50,000 Hours. Rated Voltage: DC 24V, Current: 0.07A, Power: 1.68W, Speed: 5400PRM, Air Pressure: 6.68mmHO, Airflow: 1.6CFM, Noise: 31dBA Widely Used: Suitable for ventilation of Small PC Case / Router / Raspberry pi / TV box / VR glasses and any small electronic equipment cooling ventilation. Packing List: 2 x 40mm Blower Fan 24v - Dual Ball Bearing & Air Guide Parts, Connector & Cable length: XH2.54 11.8in(300mm), Size: 40mm x 40mm x 10mm