SUNLU S4 Filament Dryer – 4 Spools Simultaneously, 70°C, Auto Humidity Control, LCD Touchscreen, PLA/ABS/PETG/TPU/PA Compatible

SUNLU S4 – Professional Filament Dryer for Advanced 3D Printing

The SUNLU S4 is a professional-grade filament dryer designed to improve print quality and eliminate moisture-related printing issues. Capable of drying up to 4 filament spools simultaneously, it is ideal for advanced users, workshops and professional 3D printing environments.

With intelligent humidity management and a powerful PTC heating system combined with 3 internal fans, the SUNLU S4 ensures even heat distribution and optimal filament condition during long and demanding prints.

Key Features:

✔ Simultaneous drying for up to 4 filament spools
✔ Adjustable temperature up to 70°C
✔ Compatible with PLA, ABS, PETG, TPU, PA, PC and other engineering materials
✔ PTC heating system with 3 internal fans
✔ Automatic humidity control
✔ Modern LCD touchscreen interface
✔ Supports 1.75 mm / 2.85 mm / 3.00 mm filament
✔ 8 filament outputs compatible with PTFE tubes
✔ Perfect for large-format 3D printers and long-duration printing
✔ Helps reduce stringing, bubbles and moisture-related defects

Perfect For:

• Professional 3D printing
• Automotive molds and components
• Functional engineering parts
• Moisture-sensitive materials
• Long-duration prints
• 3D printing workshops and farms

Technical Specifications

• Manufacturer: SUNLU
• Model: Fila Dryer S4
• Rated Power: 320–330 W
• Power Supply: AC 100–240 V / 50–60 Hz
• Maximum Temperature: 70°C
• Heating Time to 50°C: approx. 30 minutes
• Capacity: 4 x 1 kg spools
• Internal Dimensions: 450 × 210 × 211 mm
• Device Dimensions: 516 × 278 × 350 mm
• Net Weight: 4.8 kg
• Gross Weight: 5.5 kg
• Heating System: PTC + 3 fans
• Temperature Stability: ±3°C
• Humidity Control: Automatic
• Compatible Materials: PLA, ABS, PETG, TPU, PA, PC
• Supported Filament Diameters: 1.75 mm / 2.85 mm / 3.00 mm
• Number of Filament Outputs: 8
• Display: LCD Touchscreen