About this item NOTICE:ensure the buffer is securely mounted on the back of the printer for proper use. Restart printer if unrecognized. PLUG-AND-PLAY INSTALLATION - Suit for 3D Printer (X1E/X1/X1-Carbon/P1P/P1S/A1/A1 MINI); no tools required for setup. DURABLE CONSTRUCTION - High-impact ABS and POM plastic ensure long-term reliability under continuous use. ENHANCED PRINT EFFICIENCY - Prevents filament jams and reduces print interruptions, saving time and reducing material waste. PRODUCT LIST: Non-official AMS Filament Buffer ×1,M3*21.5 screwsx2, 6.6FT High-Temp PTFE Tubex1, 4PIN cable ×1, 6PIN cable×1,Double-ventilation pneumatic connector×1 REDUCE FILAMENT FAILURES - Minimizes tangles and breakage during printing by maintaining optimal filament tension; compatible with all standard 1.75mm filaments.