The SUNLU FilaDryer S4 is a professional filament drying solution designed to improve the performance and reliability of 3D printing materials. Engineered for consistent temperature and humidity control, this device helps remove excess moisture from filaments such as PLA, ABS, PETG, TPU, and more. With a spacious internal chamber and support for multiple filament diameters including 1.75mm, 2.85mm, and 3.0mm