· CUSTOM FIT:YIBEICO Ptfe Tubing Connectors are suitable for Bambu Lab A1/A1MINI/P1P/P1S/X1C/X1E 3D printer· EXCELLENT PERFORMANCE:The error between the extruder and the host is small, and when printing, it reduces the resistance of the extruder, making the stroke smoother and printing quality higher· HIGH QUALITY PROCESS:The feed joint is made of high-temperature material and has good stability, which can provide you with a longer service life· INSTALLATION ATTENTION:The connector has a clear direction of use, the black end is connected to the IN end, the blue end is linked to the OUT end, note that the reverse link will cause the card material· ENSURE THAT THE PTFE TUBE IS ROUND:When cutting the PTFE tube, it may cause the tube to flatten. Ensure that the PTFE tube is round, otherwise it is easy to cause blockage· AFTER-SALES SERVICE:If you have any questions, please do not hesitate to contact us and we will respond within 24 hours to help resolve the issue.