Prusa MK2-MK2S Extruder bowden bracket

Little help for those who are in the Original Prusa MK2- MK2S owners.
If you want a closed system transmitted filaments through a Teflon tube into the extruder from a box.
I constructed on top of an adapter into which the extruder screw with a PTFE quick connector. https://www.hestore.hu/prod_10036197.html
It should also replace the idler extruder that is modeled again.
The box can be any plastic container into which fits freely rollingly moving the filament winding bearings.
The box I used