PLA Filament PLA 3D Printer Filament(Refill),2kg Refill for Reusable Spools(4.4lbs),Premium Quality 3D Printing Filament for Bambu lab 3D Printers,Black+Black

Bambu spools carry an RFID chip that the AMS reads for automatic material settings — buy these if you want zero-fuss multi-color on a Bambu printer. Dimensional tolerance is held to ±0.02 mm; refill spools are available if you want to cut plastic waste.