2Pcs 40Mm RGB Fan 12V 24V Ender 3 Fan Upgrade 24 Volt Fans LED Colorful 4010 Hydraulic Bearing, Works with Ender 3 Pro 3X CR-10S. 40mm RGB Fan 12V/24 V, Ender 3 Fan Upgrade 24 Volt Fans LED Colorful 4010 Hydraulic Bearing, Works with Ender 3 Pro 3X CR-10S.