These all metal guide tubes will allow for higher temperature extrusion apposed to factory PTFE Lined Extruders and are much lower maintenance.

Note Increase extrusion temperature by 5 deg C

This OEM Wanhao factory replacement part isCompatible with:

Wanhao Duplicator 9 D9/300

Wanhao Duplicator 9 D9/400

Wanhao Duplicator 9 D9/500

Wanhao Duplicator 6 Plus Mark II

i3 Mark Plus II

This part can also be called the Throat Tube