Amazon.com: Carbon Fiber Filament, TRONXY Carbon Fiber PLA 3D Printer Filament 1.75mm, for Most 3D Printers, High-Accuracy +/- 0.05 mm, 1KG Spool(2.2 lbs) Black Filament : Industrial & Scientific
taulman3D Carbon Fiber Alloy Nylon 3D Printing Filament
Inland 1.75mm PLA Pro 3D Printer Filament 1.0 kg (2.2 lbs.) Spool - Carbon Fiber; Tough, High Rigidity - Micro Center
Amazon.com: Flashforge 3D Printer Filament 1.75mm, 3D Printer Filaments 1kg Spool-Dimensional Accuracy +/- 0.02mm, Environmental Friendliness, no Smoke and no Odor (Black, PLA Carbon Fiber) : Industrial & Scientific
Carbon Fiber PLA Filament 1.75mm, 3D Printer Filament Carbon Fiber, High-Accuracy +/- 0.05 mm, Carbon Black Pla Filament for Most 3D Printers, 1KG Spool(2.2 lbs) – Tronxy 3D Printers Official Store