Ultimate 3D printer Cooling fan - 5015 vs Berd-Air vs 300CFM Mega Cooling

Using a FLIR infrared camera I am trying to identify the best part cooling system for a 3d printer. ** This is a republishing of a previous video with BETTER AUDIO ** MATERIAL USED IN THIS VIDEO FLIR infrared Camera for Phone : - Android: - IOS: HevACS Fans: 5015 HK Fan: 5015 Duct::4491533?fbclid=IwAR2ZYZ41gSML1Pndxob4QMlRIKOBq_ErL3kqCjqN2AX8ke3za6f8xoUewQw Berd-Air Pump: 🍺 SUPPORT ME ► If you like my work and would like to support my efforts in making more open source 3D printing solutions, please consider a small donation.