The PTFE Tube Coupler is a component used to connect the PTFE tube, which is mounted on the back of the printer and used to connect the PTFE tube between the buffer and the tool head. You may need to replace the pneumatic connector when you encounter the following situations:
1. The PTFE tube can not be secured. For example, the PTFE tube can not be fixed on the extruder.
2. The filament cannot pass through the pneumatic connector. For example, the filament cannot pass through the buffer (as shown in the picture below, it may be due to internal damage to the pneumatic connector).
X1 Series and P1 Series
Learn more about the replacement of the PTFE Tube Coupler (w/o holder)on Bambu Lab Wiki.
Learn more about the replacement of the PTFE Tube Coupler (w/ holder) on Bambu Lab Wiki.
1. The PTFE Tube Connector is designed with a clear direction of use, as shown in the figure below. Connect the PTFE tube from the buffer output to the IN end, and the PTFE tube from the tool head to the OUT end. It is important to note that reverse connections may cause material blockage, so it is essential to ensure that the installation direction is correct.


| Quantity | 3 pcs | Materials | Plastic, metal |
| Package weight | 25 g | Package Size | 190*70*50 mm |
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