3D Printer Filament Dryer S4 With Four Spool Capacity, Upgraded Three Circulation Fans, 350W PTC Heater, 70 Degree Max Temp, Smart Humidity Control, Compatible Nylon TPU PLA PETG ABS Filaments, Black

Four-Spool Filament Dryer S4 with Multi-Fan Circulation
✔️ 4-spool capacity, 3 circulation fans, 350W heater, 35-70°C range

The Four-Spool Filament Dryer S4 is built to dry up to four 1 kg filaments at once, boosting print consistency and reducing moisture-related issues. It’s ideal for busy 3D printing studios and home setups dealing with nylon, PETG, PLA, TPU, ABS, and other filaments, and it supports 1.75 mm, 2.85 mm, and 3.00 mm diameters for versatile use.

✅ 4 spool capacity (1 kg each) for drying multiple filaments
✅ Three circulation fans deliver even heating for uniform drying
✅ 350W PTC heater provides safe, fast drying
✅ Eight filament exit holes enable loading from multiple printers and angles
✅ Temperature range 35-70°C; timer 0-99 h for precise control
✅ External size 460 mm x 220 mm x 310 mm; internal size 450 mm x 175 mm x 207 mm; weight 4 kg
✅ Compatible with 1.75, 2.85, and 3.00 mm filament (PLA, PLA+, PETG, ABS, TPU, Nylon, PC)
✅ Can be DIY modified for larger rolls or used as a shoe dryer
✅ Packing list included: S4 unit, power cable, 8 cm PTFE tubes x4, 100 cm PTFE tubes x2, user guide, clips, silicone plugs

💡 What is a multi-spool 3D printer filament dryer used for and how can it boost print quality? A handy device helps keep filaments dry during storage and printing. - Keeps moisture low for nylon, PETG, and other hygroscopic filaments - Improves layer adhesion and reduces warping by stabilizing humidity - Supports multiple spools and various filament diameters - Ideal for high-temp materials and long print runs