Bambu Lab PETG Basic Filament 1kg Spool - Strong Durable 3D Printer Filament, High-Temp Resistance, Low Warp, Compatible with Bambu Lab & Most FDM 3D Printers Red (30201) - Spool

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.