20pcs lot 3010s DC 12V 30mm x 30mm X 10mm Brushless Cooling Fan Blower,3010s DC 12V 30mm x 30mm X 10mm Brushless Cooling Fan Blower 20pcs lot, 12V,1A, quantity:20xpcs fan, - Airflow: 1,9-3,0 CFM,Ultra quiet Low-speed brushless DC fan, - Size: 30mm (L) x 30mm (W) x 10mm (H), - 30x30x10mm.Brushless Cooling Fan Blower 20pcs lot 3010s DC 12V 30mm x 30mm X 10mm.