FYSETC Prusa MK4 Hotend Fan - Original XL 4010 Axial Fan Replacement - Dual Ball Bearing Cooler: 2-Pack DC Fan 40x40x10mm 5V 3 Wires High Speed 3D Printer Extruder Hot End Cooling Radiator Right Fan - US-MK4 4010 Fan 2pcs

• 1. A must-have 3D Printer cooler Accessory: This is a direct drop-in replacement particularly for Original Prusa MK4, MK3.9, XL extruder hotend, used for cooling down print head, not compatible with MK3S/MK3/MK2.5S/MK2.5/MK2S/MMU2S/CW1/SL1/MINI/MK3S+/MINI+/SL1S/CW1S/MK2/MMU2/MMU1/MMU3/MK3.5. If need filament part cooling fan 5010, please search Asin:B0D78RCDL4 at our store. 2. Small Size, Powerful Cooling: 40mm(L) x 40mm(W) x 10mm(H) /1.57x1.57x0.4 in. per fan, cable length about 110mm/4.33inch. Ideal for DIY cooling projects with limited space. Provides good airflow in compact setups. Strong Wind Force and Low Power Consumption. Enjoy quiet operation, durability. High speed: 8000rpm, Rated Current: 0.3A. Plug and play. Regular replacement of the fan will give you better printing results. 3. Easy Installation, Dual Ball: Simple use, just unplug the terminal connector of the stock fan from the connecting loveboard, remove it from the fan cover, then install this new 5V brushless fan effortlessly and enjoy immediate cooling benefits. It has two sides, but the side with sticker must be always facing the hotend (not visible when the fan is mounted). Otherwise, the cooling won't work properly. 4. Materials: Plastic, lightweight(about 16g/pc) with cable length about 100mm/4.33inch, 3 pins brand terminal connector MX. Easy to connect and durable. 5. Package included: 2 PCS DC 5V small fan, you can have adequate spares when the old cooling fan breaks down, save your time. Installation is easy and it can be seamlessly integrated with existing devices, no modification needed.