SUNLU SP2 filament dryer modular 2-in-1 PTC heating 250W FDSP2

The Sunlu SP2 is a modular 2-in-1 filament dryer that combines effective drying with airtight storage for 3D printing materials. The unit consists of a heating base and a storage container, so it can be used flexibly according to your needs. The containers can be stacked to make better use of your workspace. It suits anyone who wants to improve how their filament is stored while simplifying everyday material handling.

Drying is carried out by a fan-assisted 200 W PTC heating element, supported by a separate overheat protection switch and software-controlled temperature regulation. In storage mode the unit maintains an internal humidity of around 25% at an average ambient humidity of about 50%. A built-in hygrometer shows the humidity inside in real time, while the silicone lids provide a good seal and thermal insulation.

The SP2 supports spools from 0.25 kg to 3 kg with filament diameters of 1.75 mm and 2.85 mm, operating within a temperature range of 35 °C to 70 °C. It is compatible with popular materials such as PLA, PETG, ABS, TPU and PA/PC. A carrying handle and three cable openings on each side make it easy to move and connect.