SUNLU High Speed PETG 3D Filament 1.75mm, 30mm/s - 600mm/s Print Range, High Flow Speedy 3D Printer Filament, Fit Most FDM Print

? What is High Speed Filament  ? 500% more fluidity than PLA filament. ? 180% improved heat dissipation. ? 50% higher curing speed than normal PLA filament. Notes ? Please insert the filament into the side holes after use to avoid tangles. ? Feel free to message us if you have any questions about the filament. ? Please stored the 3D printer filament in a sealed bag or box after using it.