BSPT Push Fit Coupling - 1/8" or M5 x 4 mm or 6 mm - used in conjunction with 4 mm or 6 mm PTFE Tubing.
Original jhead - PTFE 1.75 mm Liner
Original jhead - PTFE 3 mm Liner
PTFE tape can allow high temperatures (250 degrees should be no problem), which makes is useful for insulating the extruder or avoiding leakage.
PTFE Tubing 2mm x 4mm or 4mm x 6mm, for 1.75mm respectively 3mm filament. You can cut the belt in the desired length with a knive or scissors.
Rotary push-in fitting QSR-1/8-4 to be used on the witbox 3D printer in combination with a 4 mm PTFE Tubing.