The Creality Dry Box 2.0 Filament Dryer is an upgraded active-heating storage and dehumidifying chamber designed to eliminate moisture-related print defects on FDM 3D printers. Featuring a built-in convection heating system, integrated circulating fan, and digital temperature and humidity display, this unit heats and dries 1kg filament spools during storage or actively feeds dry filament directly into the 3D printer extruder during long print jobs to prevent stringing, bubbling, and layer brittleness.

Specification

• Product Type: Active Filament Dryer Box / Moisture Removal Heating Chamber
• Model: Creality Dry Box 2.0
• Input Voltage: 100V - 240V AC (50/60 Hz) with external power adapter
• Operating Power: Approx. 48W - 120W Max
• Temperature Adjustment Range: 45°C to 65°C (Preset and adjustable heating levels)
• Timer Operating Range: 0 to 24 Hours (Continuous drying countdown timer)
• Filament Spool Compatibility: Holds 1 x standard 1kg spool (Spool diameter up to 200mm, spool width up to 75mm)
• Filament Diameter Compatibility: 1.75mm and 2.85mm filaments
• Supported Material Types: PLA, PLA+, PETG, TPU, ABS, ASA, PC, Nylon (PA), and composite filaments
• Display Interface: Digital screen showing real-time ambient humidity (%), target temperature, and remaining timer duration
• Filament Feed Ports: Top and side rubber-grommet feed-out ports with PTFE tubing pass-through support
• Chamber Circulation: Built-in 360-degree hot air convection fan

Features

• 360-Degree Forced Hot Air Convection: Equipped with an internal circulation fan and surrounding heating elements that distribute warm air evenly around the spool, ensuring fast, uniform moisture extraction without hot spots.
• Adjustable Multi-Material Temperature Profiles: Features custom temperature settings ranging from 45°C (gentle drying for PLA/TPU) up to 65°C (deep moisture removal for PETG, ABS, and Nylon).
• Real-Time Digital Humidity and Temperature Monitoring: The front display provides clear, continuous readouts of the internal chamber humidity percentage and operating temperature to track the drying cycle progress.
• Direct Feed While Printing: Integrated filament guide holes and smooth internal spool rollers allow the filament to feed smoothly directly into the printer extruder during multi-day prints, preventing moisture reabsorption.
• Programmable 24-Hour Auto-Off Timer: Allows users to set precise drying runtimes from a quick 2-hour refresh to a comprehensive 24-hour deep bake, automatically shutting off once the cycle completes.

Common Applications

• Hydroscopic Material Preparation: Eliminating absorbed moisture from hygroscopic filaments such as Nylon (PA), TPU, PETG, and PVA before printing to restore mechanical strength and layer bonding.
• Defect Elimination on PLA and ABS: Preventing common moisture issues including popping/crackling at the hotend nozzle, surface roughness, excessive stringing, and brittle filament snap.
• Real-Time Enclosed Feed for Long Prints: Continuously supplying dry filament to the extruder during lengthy, multi-day print runs in humid workshop environments.

Professional Installation and Maintenance Tips

• Match Temperature to Filament Heat Deflection Limit: Never exceed the recommended drying temperature for your specific material (e.g., keep PLA at 45°C - 50°C, PETG/ABS at 50°C - 55°C, Nylon at 60°C - 65°C). Setting the temperature too high can cause the filament to soften, stick together, and fuse on the spool.
• Crack the Lid or Use Top Port to Vent Humidity: During the first 1 to 2 hours of drying heavily saturated filament, slightly unlatch the lid or leave the upper rubber filament plug open to allow evaporated water vapor to escape the chamber quickly.
• Install Short PTFE Guide Tubing to Extruder: When printing directly from the dry box, insert a piece of 4mm OD PTFE tubing from the box exit port to the printer extruder entry to ensure the filament remains enclosed and protected from room humidity.
• Store Sealed with Desiccant After Drying: If not printing immediately after a heating cycle, keep the dry box lid closed or transfer the dry spool into a sealed vacuum bag with a silica desiccant packet to maintain low moisture levels.