SUNLU FilaDryer S4 is an advanced 3D printing filament dryer that allows you to dry up to 4 spools at once while printing from multiple materials. With 320–330 W power, fast heating, and a maximum temperature of 70 °C, it ensures even drying even for hygroscopic filaments (e.g., PA, PC). It also features automatic humidity control, a touch LCD display, and 8 filament outlets for maximum convenience and productivity.
Dry up to 4 spools at once for maximum productivity
The large drying chamber enables simultaneous drying of up to 4 spools (1 kg). Great for multicolor printing and for situations where you use multiple 3D printers—your materials are ready in one place without unnecessary downtime.
Fast heating and high power up to 330 W
The PTC heating element with 320–330 W input can reach 50 °C in about 30 minutes and heat up to 70 °C. This makes it effective even for demanding, moisture-absorbing materials such as PA or PC.
Enclosed design and clear on-screen controls
The enclosed box helps maintain stable conditions for drying and storing filament. The touch LCD display shows status and settings, so you can quickly select the right mode and keep the process under control.
Sunlu FilaDryer S4 is a large-capacity filament dryer designed for anyone who wants to improve print quality and eliminate moisture-related issues (cracking, bubbles, stringing, or uneven layers). Thanks to the spacious chamber and the ability to dry up to four spools simultaneously, it is ideal for multicolor printing and for running multiple 3D printers at the same time.
Effective and even drying is provided by a PTC heating system and 3 fans, which maintain a stable temperature with a deviation of only ±3 °C. Intelligent humidity control also automatically starts and stops drying according to current conditions, keeping filament in optimal condition without constant monitoring.
Main advantages:
- Drying up to 4 spools (each 1 kg) in one cycle
- Fast heating – approx. 50 °C in 30 minutes, max. 70 °C
- Automatic humidity control (start 30–50%, stop approx. 25%)
- 8 filament outlets – suitable for multiple printers and multiple materials
- Compatibility with diameters 1.75 / 2.85 / 3.00 mm
- Preset profiles for PLA, ABS, PETG, TPU, PA, PC
- Triple safety system (PTC, temperature sensor, software protection)
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
- Time to heat to 50 °C
- approx. 30 minutes
- Capacity
- 4 spools (each 1 kg)
- 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 (start 30–50%, stop approx. 25%)
- Supported materials
- PLA, ABS, PETG, TPU, PA, PC
- Supported filament diameters
- 1.75 mm / 2.85 mm / 3.00 mm
- Number of filament outlets
- 8 (can be used with PTFE tubes)
- Display
- Touch LCD display
