SUNLU Fila Dryer S4 – Multi Spool Filament Drybox with Humidity Control & Fast Heating

SUNLU Fila Dryer S4 – Multi Spool Filament Drybox with Humidity Control & Fast Heating

The SUNLU Fila Dryer S4 is a large-capacity filament drying box that holds up to 4 rolls of 1kg filament simultaneously. With 300W PTC heating reaching 50°C in approximately 30 minutes, adjustable humidity control, and triple safety protection, the S4 keeps your filament dry and ready to print.

Essential for moisture-sensitive materials like Nylon, PETG, TPU, and PVA. Compatible with 1.75mm, 2.85mm, and 3.00mm filament diameters.

Key Features

• 4 Spool Capacity – Dry multiple rolls simultaneously
• 300W PTC Heater – Fast, even heating to 50°C
• Humidity Control – Auto start/stop based on humidity
• ±3°C Uniformity – Circulating fans for even temperature
• Triple Safety – PTC heater, temp switch, software monitoring
• Universal Compatibility – 1.75mm, 2.85mm, 3.00mm filaments

SUNLU Fila Dryer S4 Specifications

FAQ

Q: Can I print directly from the dryer while it’s running?
A: Yes, the S4 has filament feed-through ports allowing you to print while drying.

Q: What materials benefit most from drying?
A: Nylon/PA, PETG, TPU, PVA, and PC absorb moisture fastest and benefit most. Even PLA prints better when dried.

Related Products

• Filament Dryers – All dryer options
• Sunlu Filaments – Full range
• Desiccant Packs – Moisture absorption