Sunlu Empty Reusable Filament Spool for 1.75mm / 1kg

Sunlu Empty Reusable Filament Spool for 1.75mm / 1kg, 3rd Gen

Sunlu Empty Reusable Filament Spool 1.75mm / 1kg Rolls Bambu Refill Compatible

Sunlu Gen 3 (latest) - Empty Reusable Filament Spool for 1.75mm / 1kg

Sunlu Reusable 3D Printer Spool Eco-Friendly 1kg Empty Reel for Refill Filament

SUNLU Empty Filament Spools –(4pk)Reusable 1kg Reels. 1.75mm 3D Printer Filament

Official Sunlu Lab Reusable Filament Spool For 1KG Refill Filaments

REUSEABLE – Sunlu Empty Spool (Bambu Lab compatible) for 1.75mm 1kg Filament