(as of Nov 05, 2025 13:59:14 UTC – Details)
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Product description
SUNLU 3D Printer Filament Dryer S4 
1 Drying Results
2 Why Use Dryer
3 Packing List
4 User Guide
More than Large Capacity 
Dry 4 Spools at Once
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. hero-video Merchant Video
【4 Spool Capacity】 – SUNLU 3D printer filament dryer S4 can dry up to four 1kg 3D printer filaments, enhancing drying efficiency and printing quality when drying while printing.
【3 Circulation Fans】 – Three high-quality fans circulate air inside, ensuring consistent temperature across the entire area for more even drying, 360° surround heating.
【350W PTC Heater】 – SUNLU filament dryer S4 is equipped with a 350W PTC heater, offering safety and higher heating efficiency (50% higher than the FilaDryer S2).
【8 Filament Exit Holes】 – SUNLU filament dryer S4 features eight filament outlets, ideal for multiple printers and various filament loading angles, smoother loading and printing.
【Personalized Temperature Setting and Timer】 – Temperature setting range is 35-70°C, timer setting range is 0-99 hours. Users can adjust parameters to suit filament conditions.
【3D printer Filament Dryer S4 Size】 – SUNLU filament dryer S4 is notably large in size. External size – 460(L) * 220(W) * 310(H)mm, internal size – 450(L) * 175(W) * 207(H)mm, net weight – 4KG.
【Compatible with Multiple Spools】 – SUNLU filament dryer S4 supports a wide range of materials including PLA, PLA Plus, PLA Meta, PETG, ABS, TPU, PA, PC, Nylon, etc., compatible with 1.75mm, 2.85mm, and 3.00mm.
【DIY More Possibilities】 – SUNLU filament dryer S4 can be modified to dry 3kg large rolls of filament or function as a shoe dryer. We’ve created a video to demonstrate the process. Feel free to check out more details!
【SUNLU Filament Dryer S4 Packing List】 – FilaDryer S4 *1, Power Cable *1, 8cm PTFE Tube *4, 100cm PTFE Tube *2, User Guide *1, Pieces of Clips, Pieces of Silicone Plugs.
【SUNLU Main Products】 – SUNLU offers a wide range of high-quality 3D printing products, including 3D printer filament, filament dryer, FDM 3D printer, 3D printer resin, LCD 3D printer, resin curing box, and other accessories, providing you with everything you need for a successful 3D printing experience.
