Prusa USS DryboxWet filament = ruined prints When wet filament hits the hot nozzle, the water inside instantly boils, expanding in volume. This creates steam bubbles that pop out of the nozzle, leading to stringing, oozing, and rough finish instead of smooth walls. High Demand Estimated leadtime 23 weeks Left: wet filament after being stored in the open, Right: Filament stored and being printed directly from a drybox. Never deal with wet filament again. Most filament