Sunwin ABS 1.75mm Filament 1kg/2.2lb for 3d Printer 3d Pen Plastic Rubber Consumables Material (Black) Compatible with all FDM 3D printer such as Makerbot, Mendel, Prusa, Huxley, BFB series, RepRap, Rapman, Solidoodle etc. Filament Diameter Tolerances: +/-0.02mm. Roundness: +/-0.02mm. Print temperature ranges from 220 to 250 degrees C (419 to 482 degrees F) The 1.75mm filament holds a diameter tolerance of 0.02mm/0.0008" which improves reliability and quality of output and comes vacuum-sealed with the desiccant on a 1kg (2.2lb) reel. Moisture laden ABS will tend to bubble and spurt from the tip of the nozzle when printing; reducing the visual quality of the part, part accuracy, strength and introducing the risk of a stripping or clogging in the nozzle.Our ABS filament DO NOT have air bubbles