DC Cooling Fan 4010 24V 40*40*10mm DC Blower Fan with Active Cooling Fan Duct for Ender 3/Ender-3 Pro/Ender 3 V2 3D Printer Part
https://www.vogueparade.com/shopping/EN/200003782/1/1005003468529874/dc-cooling-fan-4010-24v-404010mm-dc-blower-fan-with-active-cooling-fan-duct-for-ender-3ender-3-proender-3-v2-3d-printer-part//