Bambu Lab PTFE Tubes

The function of PTFE Tube is to reduce resistance and guide filament. The tube’s inner diameter is 2.5mm, and its outer diameter is 4mm.

Please note that the PTFE tubes are consumables and are at risk of wear, as they may rub against the filament over time. We recommend that you check the PTFE tubes for wear during your maintenance of the machine.

PTFE tube specifications for A1 series printer
The outer diameter is 4mm, and the inner diameter is 2.5mm
AMS lite to the filaments hub:580mm*2, 700mm*2(From the tube connector for the spool holder to the filaments hub: 520mm)