Monoprice Premium 3D Printer Filament 1.75MM 0.1kg/spool - Cleaning Filament - Compatible With Almost All 3D Printers And 3D Pens Keep the nozzles and extruders on your 3D printer printing like new using this 1.75mm Cleaning Filament from Monoprice! It is a good idea to periodically clean the nozzles and extruders on your 3D printer to ensure that they feed filament smoothly and evenly. It is also good to clean when switching filament colors or material types. This cleaning filament is designed to adhere to any stray material left in the nozzle and remove it along with the cleaning filament To clean using this filament, simply print about 12" of material. It prints at a wide 160 ~ 260C temperature range