?EIBOS Official? 3D Printer Filament Dryer Tetras, AMS Heater Upgrade for Bambu Lab AMS, Dry While Printing, 4-Spool Independent Chambers, Auto-Sealed Storage Box, Power-Saving, for Nylon, PLA, PETG

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More features

• 【4 Independent Filament Drying Chambers】Tetras upgrades your Bambu Lab AMS into a professional 4-spool smart drying system. Each spool slot operates as an independent dryer, with its own dedicated heater, fan, interface, temperature and humidity sensor. Tetras can dry PLA, ABS, PETG, TPU, Nylon or other filaments simultaneously with their optimal settings. No more compromise for multi-material prints, perfect for Bambu Lab AMS 1 upgrade. US version, 110V.
• 【Drying Filament While Printing】keep filaments in peak, moisture-free condition throughout the entire print process. Each chamber supports independent temperature control from 20℃-65℃, and adjustable filament drying time from 30mins -24hrs or even unlimited. Tetras operates on its own power, this allows you to actively dry spools while your Bambu Lab printer is extruding. Say goodbye to pre-drying delays and hello to reduced stringing, smoother layers, and reliable extrusion from first layer to last.
• 【Active Drying with Intelligent Moisture Exhaust】 every chamber of Tetras features forced-air circulation, blowing across the heating element and onto the spool surface to actively remove moisture from inside the filament, while the dedicated exhaust cover lifts automatically to expel it from the chamber.
• 【Automatic Sealing & Humidity Control】once the drying cycle is complete, each chamber automatically seals to block moisture and dust. Humidity Mode then monitors internal conditions in real time, if humidity rises, heating reactivates to restore a low-moisture environment. Filament remains dry, protected, and print-ready during long-term storage, no extra drying cycles needed.
• 【Second-Stage Drying & Easy Independent Installation】Tetras employs a second-stage thermal process: high-efficiency moisture removal followed by stable preheating. This ensures smooth filament feeding and consistent extrusion, even with flexible materials like TPU. Installation is a simple drop-in upgrade with its own power supply. The unit operates completely independently, so Bambu Lab firmware updates will not affect dryer performance.