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Product description: Sunlu FilaDryer SP2 Set - filament drying system
The Sunlu FilaDryer SP2 Set is a practical 2-in-1 solution that combines a 3D filament dryer with a sealed storage container . Its modular design allows you to separate the heating base from the box, and the container itself can also function as an independent filament storage unit . The device offers a drying temperature range of 35°C to 70°C , making it easy to adjust parameters to most popular materials and operating conditions. The large chamber allows you to dry and store spools up to 250 x 153 mm , in 2 x 1 kg , 1 x 2 kg , or 1 x 3 kg configurations (depending on the spool design). Additionally, the box has a built-in hygrometer to monitor humidity , and filament exit holes allow you to print without opening the chamber , reducing the risk of re-moistening.
Main features of the Sunlu FilaDryer SP2
- 2-in-1 design : filament dryer combined with a storage box
- Operating temperature range : 35°C to 70°C
- Heating system : 200 W PTC with forced air circulation (fan)
- Airtight chamber : silicone seals on the lid and base prevent moisture from entering
- Built-in hygrometer : real-time humidity monitoring
- Spool Compatibility : Up to 250 x 153 mm (2 x 1 kg, 1 x 2 kg or 1 x 3 kg)
- Compatible filament diameters : 1.75 mm and 2.85 mm
- Stackable : up to 3 boxes can be stacked to save space
Airtight drying and storage of 3D filament
The Sunlu FilaDryer SP2 is designed to effectively limit the ingress of ambient moisture during both drying and storage. Silicone seals in the top cover and bottom of the box improve airtightness and help maintain stable conditions within the chamber. In storage mode, the device helps maintain lower humidity inside the box, which is important for materials susceptible to water absorption. An integrated desiccant container and hygrometer facilitate monitoring of the storage environment. Additionally, filament exit holes allow printing without opening the chamber , reducing material contact with humid air and promoting consistent prints.
Compatible filaments and spools in the Sunlu FilaDryer SP2 Set
The dryer supports a wide range of materials, including PLA , PLA+, PETG , ABS , TPU , PVA, PVB, ASA , and selected functional materials such as PA and PC . A drying range of 35°C to 70°C allows for adjustments to most standard filaments and many technical mixtures, taking into account the material manufacturer's recommendations. The internal chamber measures 265 x 193 x 274 mm and accommodates spools up to 250 mm in diameter and 153 mm in width . The SP2 supports 2 x 1 kg , 1 x 2 kg , or 1 x 3 kg configurations, and a guide roller facilitates work with paper spools and stabilizes damaged spools. The device measures 278 x 208 x 396 mm and weighs 3.6 kg , ensuring stable operation on a desk or in a workshop.
Technical specifications of the dryer
- Operating temperature range: 35°C to 70°C
- Timer range: 0 h to 99 h
- Compatible filament diameters: 1.75 mm / 2.85 mm
- Maximum spool size: diameter 250 mm, width 153 mm (2 x 1 kg or 1 x 2 kg or 1 x 3 kg)
- Compatible filaments: PLA, PLA+, PETG, ABS, TPU, PVA, PVB, ASA, PA/PC etc.
- Hygrometer reading range: 10% RH to 90% RH
- Operating conditions: ambient temperature: 10°C to 35°C, relative humidity: ≤ 95%
- Power supply: 2.2 A at 230 V, 4.2 A at 120 V
- Maximum operating power: 250 W
- Standby mode: less than 1 W
- Internal dimensions: 265 x 193 x 274 mm
- Device dimensions: 278 x 208 x 396 mm
- Weight: 3.6 kg
Contents of the set
- 1x Filament storage container
- 1x Heating base
- 1x Hygrometer
- 1x Moisture absorber
- 1x Moisture absorber container
- 1x Spool guide roller
- 2x Air lock
- 2x PTFE tube 8 cm
- 2x PTFE tube 1 m
- 1x Power cord
- 1x User Manual




