2Pcs Gdstime DC 5V 12V 24V 3cm 30mm 30x30x10mm Dual Ball bearing Cooling Fan 30mmx10mm 3010 Mini 3D Printer Brushless Cooler Fan
https://www.vogueparade.com/shopping/EN/200001076/1/4001178132107/2pcs-gdstime-dc-5v-12v-24v-3cm-30mm-30x30x10mm-dual-ball-bearing-cooling-fan-30mmx10mm-3010-mini-3d-printer-brushless-cooler-fan//