
🔥 Keep your filaments dry, your prints flawless, and your 3D game ahead of the curve!
The SUNLU S4 Filament Dryer Box is a professional-grade 3D printing accessory designed to dry and store up to four 1kg filament spools simultaneously. Featuring a powerful 350W PTC heater and triple-fan system, it rapidly heats up to 70°C with even heat distribution. Its built-in high-precision humidity sensor automatically controls moisture levels, activating the dryer when humidity exceeds 50%. The large touchscreen interface offers preset and customizable drying settings for a wide range of filaments including PLA, ABS, PETG, TPU, and Nylon. Compatible with all standard filament diameters, the S4 enhances print quality by preventing moisture-related defects and supports continuous multi-material printing workflows.







| ASIN | B0CRYDN5X9 |
| Best Sellers Rank | #88,456 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,092 in 3D Printing Filament #1,525 in 3D Printer Accessories |
| Brand Name | YOOPAI |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (871) |
| Global Trade Identification Number | 00850055848627 |
| Item Diameter | 1.25 inches |
| Item Weight | 1 kg |
| Manufacturer | YOOPAI3D |
| Manufacturer Part Number | SUNLUS4 |
| Material Type | Acrylonitrile Butadiene Styrene, Polycarbonate, Polylactic Acid |
| Model Number | SUNLUS4 |
| Number of Items | 1 |
| UPC | 850055848627 |
| Unit Count | 1 Count |
| Warranty Description | 2 |
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