Filament filter and spool clip
myminifactory
Push a piece of oil-wetted sponge through the base hole, then thread your filament through this filament filter. As it enters the extruder head, your filament will be cleaned out. Use one of these filters for each spool of filament you have. To keep your spools organized when not in use, attach a clip to each one. We've got versions available that fit 1.75 mm and 3mm filament.
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