Sunlu S4 Filament Dryer 2-Spool 360° PTC Heating 35-70°C LCD Touch Screen

The Sunlu S4 Filament Dryer is a professional-grade drying solution designed for 3D printing enthusiasts and professionals. With its 360° PTC heating technology and PID temperature control, it ensures uniform drying and optimal moisture removal for your filaments. The dryer accommodates up to two 1kg spools simultaneously, making it ideal for high-volume printing environments.

Advantages

Efficiently dries and stores filament to prevent print defects caused by moisture. The LCD touch screen provides intuitive control, while real-time humidity monitoring keeps you informed. The 360° PTC heating system circulates hot air evenly, reducing drying time and energy consumption.

Suitable for

• 3D printing enthusiasts using PLA, ABS, PETG, Nylon, and other hygroscopic filaments
• Small to medium print farms requiring consistent filament quality
• Users needing a compact, dual-spool dryer with precise temperature and timer settings

Key specifications

• Drying Temperature Range: 35-70°C
• Heating Method: 360° PTC Heating
• Filament Diameter Compatibility: 1.75mm, 2.85mm, 3.00mm
• Spool Capacity: 2 x 1kg spools
• Display Type: LCD Touch Screen
• Timer Range: 0-24 hours
• Rated Power: 100W
• Power Input: AC 100-240V, 50/60Hz
• Humidity Display: Yes, Real-time
• Temperature Control: PID Control
• Internal Fan: Yes, for hot air circulation
• Max Spool Diameter: 210 mm
• Max Spool Width (per spool): 73 mm
• Filament Guide Holes: 4
• Housing Material: ABS
• Temperature Accuracy: ±2°C
• Preset Filament Modes: Yes

Recommendations

For best results, pre-dry new filament spools for 4-6 hours at the recommended temperature for your material. Store filament in the dryer with the lid closed to maintain low humidity levels between prints.