PLA Filament PLA 3D Printer Filament(Refill),1kg Refill for Reusable Spools(2.2lbs),Premium Quality 3D Printing Filament for Bambu lab 3D Printers,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.