MITENSLE 4mm OD PTFE Tubing Secure Lock Couplers for AMS Hub & Extruder Filament Buffer, Compatible with Bambu Lab P1P/P1S/X1/A1/H2/P2 Series 3D Printers

["Secure & Stable Connection： These PTFE tube couplers deliver a firm, reliable lock to prevent tube dislodgement during high-speed retraction, ensuring smooth, uninterrupted multi-color printing with your AMS system.","Standard Specification & Tool-Free Installation： Designed to match the original component specifications for Bambu Lab printers. Ideal for building, repairing, or maintaining your AMS Hub setup with quick, tool-free installation.","Improved Filament Feeding Stability： Keeps PTFE tubes properly aligned to reduce friction and resistance in the filament path, lowering feeding issues and ensuring consistent, high-quality print results","Complete Upgrade & Maintenance Kit： Each package includes 3 PTFE tube couplers, providing enough spares for both initial installation and long-term maintenance. A must-have accessory for AMS users.","Broad Compatibility： Works with standard 4mm OD PTFE tubing for Bambu Lab 3D printers. Suitable for AMS Hub, filament buffer, extruder, and other connections on P1, X1, A1, H2, and P2 series machines."]