HATCHBOX PETG 3D Printer Filament, Dimensional Accuracy +/- 0.03 mm, 1 kg Spool, 1.75 mm, Purple 1KG (approximately 2.2 lbs) Spool PETG (Polyethylene Terephthalate Glycol-Modified) 3D Printer Filament Vacuumed Sealed With Desiccant Recommended Extrusion/Nozzle Temperature 230C - 260C (446F - 500F) 1.75mm Filament Diameter (Dimensional Accuracy +/- 0.03mm) Spool Diameter: 8" - Spool Width: 2.50" - Spool Hub Hole Diameter: 1.25"