external Filament Cooling Fan 80mm Anet A8

I had a connector for a 80mm fan for my Anet A8, to make it more silent than with the small standard fan, that sits on the extruder directly. That made the extruder quite heavy and loud, because the X Axis Motor has to do a lot of work.
Probably also the print quality got worse by this heavy fan mount.

But then i had an idea, to put the 80mm fan on the frame and lead the air to the extruder via a pipe from my local hardware dealer.

The pipe I got for this projekt has 15mm external diament