Your search for "Bambu A1" revealed the following:
Bambu Lab PA6-GF
$132.50Product Features Built to Last Dimensional Stability Exceptional Thermal Properties Chemical Resistance Smooth Surface and More Colors Diameter: 1.75mm +/-...
Bambu Lab PETG-CF
$54.00Product Features Less Clumping and Stringing Premium Print Surface Improved Mechanical Properties & High Flexibility Comes with Basic Reusable Spool...