Tired Of regular clogs on your reprap on every second day?
This might be because of the dust particles going into your extruder And Clogging i.
Try this Cute Fish Shaped Filament dust Filter For your printer. and never clog again for this reason.
fill some foam or cotton and press the two parts to join them then install two m6 to 4mm pneumatic fitings on the sides and then to the extruder through a leftover ptfe tubing , or directly install without any fitting.
This Thing is a work in progress...... the files and strucrures can change.