2 Pcs Gdstime 6020 60x60x20mm 12V 24V Dual Ball 3D Printer Cooler Fan 60mm*20mm 6cm Brushless Computer PC CPU Motor Cooling Fan
https://www.vogueparade.com/shopping/EN/200001076/1/1005002347325569/2-pcs-gdstime-6020-60x60x20mm-12v-24v-dual-ball-3d-printer-cooler-fan-60mm20mm-6cm-brushless-computer-pc-cpu-motor-cooling-fan//