【High Precision & Premium Quality】: PETG 3d printer filament has strict tolerances. PETG Filament diameter 1.75mm, dimensional accuracy + / - 0.02mm, . Minimum tolerance and low warping to ensure consistent feeding and stable prints, no clogging, extremely high successful rate, resulting in printed parts that have an outstanding surface finish and are highly precise. 【Tangle Free & No Plugging】: Filament with high strength and better toughness. 3D filament total length: 330-340m. Full 1kg PETG 3D printer filament , perfect roundness and tight diameter tolerance, does not overlap or tangle. Melt well. Recommended PETG 3D printer filament 1.75mm petg filament temperature 230-260℃, bed temperature 50-100℃. 【High Compatibility】: Compatible with most of FDM 3D printers and 3D printing pen that use PETG printer filament, Such as: Prusa, Reprap, Afinia, MakerBot, etc. Our filaments had been tested on various brands of 3D printer and 3D pen in the market and with positive customers' feedback. 【Environmental Friendly Material】: The raw material for making PETG filament 1.75 is ROHS certified. PETG filament 1.75mm is made of virgin materials, biodegradable and eco-friendly, non-toxic and low odor, no harm to user and environment. 【Vacuumed Sealed Packaging】: Net Weight: 1KG. 3d printer filament PETG comes in a sealed vacuum bag with a desiccant bag to keep it dry and keep out dust and foreign particles, prevent nozzle jams, so that yield smooth 3D models. Spool Diameter: 7.8" - Width: 2.5" - Hub Hole Diameter: 2.20"