SUNLU S4 3D Printer Filament Dryer – 4-Spool Capacity, 350W Heater – $94.47 Deal
The SUNLU S4 dries up to four 1kg spools with a 350W PTC heater and three circulation fans, delivering consistent temperature for reliable prints. At $94.47 it offers a cost‑effective upgrade for serious makers.
The S4’s four‑spool capacity and eight filament exits let you keep multiple materials ready while the 350W PTC heater and trio of fans maintain even heat across the chamber. Adjustable temperature (35‑70°C) and a timer up to 99 hours let you fine‑tune drying cycles, reducing moisture‑related print failures and extending filament life.
Priced at $94.47, the dryer pays for itself quickly by cutting waste and re‑runs. Its solid 4 kg build and flexible outlet design support several printers, while the ability to repurpose it as a shoe dryer adds extra utility. For anyone looking to boost print quality without inflating their budget, the SUNLU S4 is a practical, durable choice.