DAOKI 10PCS 40 * 40mm Metal Grill Protector Finger Guard Radiator Fan Protective Cover 3D Printer Accessories Extruder Small

Antrader 12V Brushless DC Cooling Fan for DIY 3D Printer Extruder Humidifier Pack of 6

ELUTENG 40mm Fan Filter 2 Pack Dustproof Cover USB Cooling Ventilator Plastic Grill 40x40 USB Fan Blower Mesh Kit Compatible for DIY 4cm Computer Case Fan Dirt Filtering

Noctua NF-A4x20 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x20mm, Brown)

eBoot 6 Pack LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Module (6 Pack)

WINSINN 40mm Fan 12V Hydraulic Bearing Brushless 4010 40x10mm for Cooling 3D Printer Extruder Hotend - High Speed (Pack of 5Pcs)

ANVISION 2-Pack 40mm x 10mm DC 12V Brushless Cooling Fan, Dual Ball Bearing, YDM4010B12

Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)

WINSINN 40mm Fan 24V Hydraulic Bearing Brushless 4010 40x10mm for Cooling Creality Ender 3 / Pro - High Speed (Pack of 5Pcs)

uxcell 5 x Axial 50mm Cooling Fan Grill Silver Tone Metal Wire Finger Guards

SoundOriginal 2pcs 4010 Brushless DC Cooling Fan 12V 0.06~0.15A 40x40x10mm Speed 6800 RPM Fans for Computer case 3D Printer Humidifier and Other Small Appliances Series Repair Replacement