The SUNLU FilaDryer S1 Plus Filament Dryer is a versatile accessory designed for 3D printers, offering universal compatibility with various brands. Specifically designed by SUNLU, this model is perfect for efficiently drying and storing 3D printing filament. With its compact and portable design, this filament dryer is a convenient addition to any 3D printing setup, ensuring a hassle-free and efficient printing experience. Its universal compatibility makes it a valuable tool for any 3D printer user looking to improve their printing process. Open box but brand new condition. Verified that it works.