Quick Summary
The SUNLU S1 Plus Filament Dryer Box is a portable storage box for 3D printer filament. It includes a built-in fan and is described as a humidity-free dryer box for PLA, PETG, ABS and TPU, with temperature and time adjustment for drying.
This model is aimed at users who want to dry filament before or during use and keep it protected from dust and humidity in a compact unit.
Who It Is Best For
This dryer box suits buyers who use 3D printer filament and want a unit with simple temperature and time controls. It is also relevant if you need a compact box that can sit in a small workspace or be moved between locations.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | SUNLU, as named in the product title. |
| Model | S1 Plus, identifying the specific dryer box version. |
| Product type | Filament dryer box for 3D printer filament. |
| Included feature | Built-in fan for even heat distribution. |
| Supported filament types | PLA, PETG, ABS and TPU are named in the description. |
| Controls | Temperature and drying time can be adjusted with intuitive controls. |
| Temperature range | 35 to 55℃, which helps buyers check whether the settings suit their filament drying needs. |
| Drying time | Up to 24 hours, giving a clear upper limit for drying cycles. |
| Format | Portable and compact, which may matter for small workspaces. |
| Colour | Black. |
What To Know Before You Buy
Check that the selected dryer box suits the filament type you plan to use, as PLA, PETG, ABS and TPU are the listed materials. Review the stated temperature range of 35 to 55℃ and the drying time limit of up to 24 hours before ordering.
The product is described as compact and portable, so it may suit smaller spaces or users who need to move it between locations. It is also described as suitable for most 1KG spools, so spool size should be checked against your own filament.
Common Buyer Questions
Which filament types is this dryer box for?
PLA, PETG, ABS and TPU are named in the product description.
How do you control it?
It uses intuitive button controls for adjusting temperature and drying time.
What temperature settings are stated?
The stated range is 35 to 55℃.
How long can it dry for?
The stated drying time is up to 24 hours.
Final Buying View
The SUNLU S1 Plus is a compact filament dryer box with a fan, adjustable temperature and drying time, and support for PLA, PETG, ABS and TPU. Confirm your spool size and preferred drying settings before choosing it.





