?Function - Dryer and Storage Box?SUNLU dry box is specifically made for the purpose of drying 3d printer filament, intended to remove moisture from a spool of filament. It can keep 3D filament dried during a print job and can be used to dry filament for storage. ?Heating, Rotating and Constant Temperature?The storages box will keep heating up to your preset temperature, and keep working until up to the preset time. SUNLU Enclosure box has two built-in rotating shafts that allow the filament to continuously rotate in a dry hot box to remove moisture. ?Simple Yet Effective?The filament dryer box is pretty easy to use, it crams in a lot of functionality even with only two buttons, such as set temperature and time, load the data of the current temperature and the current target temperature. ?Set Temperature and Time?The dryer box is preset to run for 6 hours at 50? which should be compatible with pretty much any material any diameter of the filament. but you could click the buttons to reset the temperature between 35-55?, or long-press the left button to reset the working time between 0-24 hours. ?Large Capacity and Useful Design? Maximum capacity of the Dry box is 210*85mm, it works perfectly with 1.75mm/2.85mm/3.00mm diameters filament. It's designed with a transparent lid that you could check the filament without open the lid.