A pre-cut 21 mm PTFE liner for the Hornet’s hotend. Replaces a worn insert to restore smooth filament guidance and consistent extrusion. Check that the tube seats fully and the ends are clean and square.

Artillery 3D
Artillery Hornet PTFE Tube – ∅2 x ∅4 / 21 mm
A pre-cut 21 mm PTFE liner for the Hornet’s hotend. Replaces a worn insert to restore smooth filament guidance and consistent extrusion. Check that the tube seats fully and the ends are clean and square.
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