Prusa i3 MK3  MK3s filament dust filter
Free     Thingiverse     JonsBronnu

Prusa i3 MK3 & MK3s filament dust filter

There is some debate if a dust filter is necessary or useful for a 3D printer I honestly dont know the answer but I prefer to not have dust in my extruder ...

similar models —

Prusa i3 MK3 & MK3s filament dust filter alternatives