Filament Ender pipe V6 for OD Hotend Bowden tube 2mm 3D V5 PTFE 1/2/4M for Part 4mm J-head Teflonto ID Extruder 1.75mm 3 Printer Filament Ender pipe V6 for OD Hotend Bowden tube 2mm 3D V5 PTFE 1/2/4M for Part 4mm J-head Teflonto ID Extruder 1.75mm 3 Printer Filament Ender pipe V6 for OD Hotend Bowden tube 2mm 3D V5 PTFE 1/2/4M for Part 4mm J-head Teflonto ID Extruder 1.75mm 3 Printer Filament Ender pipe V6 for OD Hotend Bowden tube 2mm 3D V5 PTFE 1/2/4M for Part 4mm J-head Teflonto ID Extruder 1.75mm 3 Printer Filament Ender pipe V6 for OD Hotend Bowden tube 2mm 3D V5 PTFE 1/2/4M for Part 4mm J-head Teflonto ID Extruder 1.75mm 3 Printer Filament Ender pipe V6 for OD Hotend Bowden tube 2mm 3D V5 PTFE 1/2/4M for Part 4mm J-head Teflonto ID Extruder 1.75mm 3 Printer Filament Ender pipe V6 for OD Hotend Bowden tube 2mm 3D V5 PTFE 1/2/4M for Part 4mm J-head Teflonto ID Extruder 1.75mm 3 Printer Filament Ender pipe V6 for OD Hotend Bowden tube 2mm 3D V5 PTFE 1/2/4M for Part 4mm J-head Teflonto ID Extruder 1.75mm 3 Printer