[AIR] Alchement - PETG(Model B)Series, 3D Filament, 1.75mm, 1kg (Transparent, Clear) Material: PETG - Vacuumed Sealed with desiccant Diameter: 1.75mm (+/- 0.05mm) / Roundness: 1.75mm (+/- 0.03mm) / Weight: 1 kg (2.2lbs) Print Temperature : 230-250 Bed Temperature : 110 Cooling : No need