These factory direct, genuine Ultimaker spares include all the most common user-serviceable parts for the Ultimaker Original 3D Printer.
Ultimaker Cleaning Filament (UM2/UM3/S5/S3/S7/UM2C)
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For Maintaining Your Nozzles Using the Ultimaker  cleaning filament is the most effective way to unclog and keep print cores and nozzles in optimal condition. Using UltiMaker  cleaning filament is the most effective way to unclog and keep print cores...
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