2 PCS Gdstime DC 12V 24V 2Pin 50x50x15mm 5015 Brushless PC CPU Cooler Case Fan 50mm 5cm Industrial Exhaust Machine Cooling Fan
https://www.vogueparade.com/shopping/EN/200001076/1/1005002460359529/2-pcs-gdstime-dc-12v-24v-2pin-50x50x15mm-5015-brushless-pc-cpu-cooler-case-fan-50mm-5cm-industrial-exhaust-machine-cooling-fan//