Upper bowden tube (Sigmax) 8,60€ Out of stock Only compatible with BCN3D Sigmax. The teflon tube (bowden) connects the extruder of the BCN3D Sigmax with the hotend. It measures 1040mm in length. Related products Extruder Motor R 199,95€ Buy Solid-state Relay 19,95€ Buy SD Card Reader 19,95€ Buy Pack Coupling collet (x6) 24,95€ Buy