Wanhao Duplicator i3 filament guide cum dust filter

With this adapter you can put your reel on top and prevent tangle.
Put in sponge and screw in and you get a guide cum dust filter adapter.
Preferably also use some PTFE guide tube with inner 2mm diameter with the guide tube adapter found here:

http://www.thingiverse.com/thing:877258


12 Dec 2015: updated version with a smaller dust filter but is a good fit for 4mm PTFE tube to secure to.

Video:
https://www.youtube.com/watch?v=0v_qGOoPtT0

02 Jan 2015: For those who have swop out