A1 External Dual Spool Holder

External Dual Spool Holder for Bambu Lab A1. Only compatible with the early version of the A1 external spool holder. The one composed of multiple parts where you can unscrew the spool holder shaft.Available in 4 versions : PTFE Press fitted PTFE connector E3D V6 ( AliExpress )PTFE connector ECAS04 ( AliExpress )PTFE connector PC4-M6InstallationAlternatively for the screws, you can use the black ones that where locking the bed in place during transport (early A1 model). For the E3D V6 and ECAS04 version, you need to remove the O-ring at the bottom of the connector before inserting it inside the casing.