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 Mother Board 489,48€ Buy SD Card Reader 19,95€ Buy Extruder Kit (L & R) R16/R17 180,15€ Buy Upper bowden tube 19,95€ Buy