3 x DC Cooling Fan.
3pcs 40mm X 40mm X 10mm 4010 9 Brushless DC 12V Cooling Fan Z2F63344
3pcs 40mm X 40mm X 10mm 4010 9 Brushless DC 12V Cooling Fan Z6A89762
2x JAMICON KF0410S5H-R 40mm 40mm x 40mm x 10mm Cooler Cooling Fan 5V 0.2A
40mm x 40mm x 10mm USB Brushless Cooling Fan 40mm Fan DC 5V for Small Appliances
Super Print 4010 24V Hydraulic Bearings Axial Cooling Fan,Low Noise 24V DC Brushless Fan Cooler Low Noise 40mm x 40mm x 10mm.(2PCS-24V)
Super Print 4020 Fan DC 24V,40mm x 40mm x 20mm Dual Ball Bearing Brushless Cooling Axial Fan for 3D Printers Extruder Hotend.(2PCS)
