![Did I install my Noctua fan the right orientation? is the fan supposed to draw heat or cold air? Also another question I just got a feeler gauge what thickness should I Did I install my Noctua fan the right orientation? is the fan supposed to draw heat or cold air? Also another question I just got a feeler gauge what thickness should I](https://preview.redd.it/7fe16ugw8xp71.jpg?width=640&crop=smart&auto=webp&s=76156035af8438f5e64def20175a9366d743bfb8)
Did I install my Noctua fan the right orientation? is the fan supposed to draw heat or cold air? Also another question I just got a feeler gauge what thickness should I
![Noctua NF-A4x20 12V FLX or PWM, Premium Quiet Fan (40x20mm, Brown) For MeanWell PSU Upgrade - Smith3D Malaysia Noctua NF-A4x20 12V FLX or PWM, Premium Quiet Fan (40x20mm, Brown) For MeanWell PSU Upgrade - Smith3D Malaysia](https://www.smith3d.com/wp-content/uploads/2021/10/54f731665262d16c67c67e1401a59626.jpg)
Noctua NF-A4x20 12V FLX or PWM, Premium Quiet Fan (40x20mm, Brown) For MeanWell PSU Upgrade - Smith3D Malaysia
![40mm Noctua for the hotend, 80mm for the mainboard and 120mm for the PSU. That is all for today. : r/ender3v2 40mm Noctua for the hotend, 80mm for the mainboard and 120mm for the PSU. That is all for today. : r/ender3v2](https://preview.redd.it/jyfp0knml0e51.jpg?width=4032&format=pjpg&auto=webp&s=d16c5336b6f3c8a5993d3f24a861d3de8cfa741a)
40mm Noctua for the hotend, 80mm for the mainboard and 120mm for the PSU. That is all for today. : r/ender3v2
![High Quality Noctua Nf-a4x10 Flx 40mm 12v 5v 40x40x10 Cooling Fan 4010 Silent Cooler Fan Radiator 3d Printer Parts For Ender 3 - 3d Printer Parts & Accessories - AliExpress High Quality Noctua Nf-a4x10 Flx 40mm 12v 5v 40x40x10 Cooling Fan 4010 Silent Cooler Fan Radiator 3d Printer Parts For Ender 3 - 3d Printer Parts & Accessories - AliExpress](https://ae01.alicdn.com/kf/H3877c3211d72419db5f275566d3e8e8aE/High-Quality-Noctua-NF-A4x10-FLX-40mm-12V-5V-40X40X10-Cooling-Fan-4010-Silent-Cooler-Fan.jpg)
High Quality Noctua Nf-a4x10 Flx 40mm 12v 5v 40x40x10 Cooling Fan 4010 Silent Cooler Fan Radiator 3d Printer Parts For Ender 3 - 3d Printer Parts & Accessories - AliExpress
![Amazon.com: Official Creality Ender 3 Fan Upgrade 4010 Fan 24v Set(3PCS),40x40x10MM DC 24V Extruder Hot End Fan and Axial Cooling Fan for 3D Printer, Turbo Fan for Ender 3/Pro/Ender 3 V2, Ender Amazon.com: Official Creality Ender 3 Fan Upgrade 4010 Fan 24v Set(3PCS),40x40x10MM DC 24V Extruder Hot End Fan and Axial Cooling Fan for 3D Printer, Turbo Fan for Ender 3/Pro/Ender 3 V2, Ender](https://m.media-amazon.com/images/I/61NTwr9JHSS.jpg)
Amazon.com: Official Creality Ender 3 Fan Upgrade 4010 Fan 24v Set(3PCS),40x40x10MM DC 24V Extruder Hot End Fan and Axial Cooling Fan for 3D Printer, Turbo Fan for Ender 3/Pro/Ender 3 V2, Ender
![Amazon.com: Canadian Local Seller-Mech SolutionsCreality Original 4010 Blower 40x40x10MM 24V DC Cooling Fan and 24V Circle Fan for 3D Printer Parts Ender 3/Ender 3 Pro : Electronics Amazon.com: Canadian Local Seller-Mech SolutionsCreality Original 4010 Blower 40x40x10MM 24V DC Cooling Fan and 24V Circle Fan for 3D Printer Parts Ender 3/Ender 3 Pro : Electronics](https://m.media-amazon.com/images/I/61L6V6EIE0L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Canadian Local Seller-Mech SolutionsCreality Original 4010 Blower 40x40x10MM 24V DC Cooling Fan and 24V Circle Fan for 3D Printer Parts Ender 3/Ender 3 Pro : Electronics
![Amazon.com: Creality 3D Original 4010 Extruder Hotend Fans, 24V 4010 Axial Fan and Blower Fan 40x40x10mm for Ender 3/3 Pro/3S/3 V2/3 Max Ender 5/5S/5 Pro/5 Plus 3D Printer : Industrial & Scientific Amazon.com: Creality 3D Original 4010 Extruder Hotend Fans, 24V 4010 Axial Fan and Blower Fan 40x40x10mm for Ender 3/3 Pro/3S/3 V2/3 Max Ender 5/5S/5 Pro/5 Plus 3D Printer : Industrial & Scientific](https://m.media-amazon.com/images/I/71Qz3DXpQdL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Creality 3D Original 4010 Extruder Hotend Fans, 24V 4010 Axial Fan and Blower Fan 40x40x10mm for Ender 3/3 Pro/3S/3 V2/3 Max Ender 5/5S/5 Pro/5 Plus 3D Printer : Industrial & Scientific
![Anyone else using Noctua fans on the ender 3 that can chime in on sound? Mine doesnt seem to be any quieter than stock. : r/3Dprinting Anyone else using Noctua fans on the ender 3 that can chime in on sound? Mine doesnt seem to be any quieter than stock. : r/3Dprinting](https://preview.redd.it/pubdevat1je11.jpg?auto=webp&s=92f6bb717348d0dbabbdb241f95c0698a75ba443)