SUNLU Filament Dryer S2 Plus, 360° Heating, LCD Touchscreen

Heating: SUNLU Filament Dryer S2 Plus is a heated filament-drying box with a touchscreen, humidity display and a spool-holder function. Its adjustable temperature and timer suit users who want to dry filament while feeding it towards a 3D printer.

At a glance

The listing describes 360° heating and a temperature setting range of 35℃-70℃.
A 1-99-hour timer and humidity readout provide drying controls and an indication of the box's internal humidity.
The listing claims presets for PLA, TPU, PETG and other common filaments, plus Celsius/Fahrenheit conversion.
The box is also described as a spool holder with bearings for steady filament feed.

Price

£38.24Save 15%

Reference price: ~~£44.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Touch controls, a timer and humidity display put the main operating information on the unit.
The claimed spool-holder function can feed filament towards a printer while it is in the dryer.
Customer feedback reports easy controls, quiet operation and perceived improvements in print quality and stringing.

Technical specifications

17 specifications

Identity
Brand	SUNLU

Display
Screen technology listed	LCD

Drying and operation
Temperature setting range	35℃-70℃
Time setting range	1-99 hours
Humidity display	Real-time drying oven internal humidity
Heating claim	360° even heating

Capacity and compatibility
Maximum capacity	∅210*85 (H) mm
Compatible filament diameter	1.75mm/ 2.85mm/ 3.00mm
Claimed filament compatibility	Compatible with 99% of 1KG PLA PETG ABS TPU PA PC 3D Printer Filaments

Dimensions and installation
Product size	265 (L)274 (W)118 (H) mm
Weight listed	1 Kilograms
Package dimensions	31.7 x 27.9 x 12.3 cm; 1 kg

Materials and protection
Material listed	3D Printer Filament Dryer S2 Plus, PA+PC, SUNLU Filament Dryer S2 Plus

Operating conditions
Optimum ambient temperature	20 ℃ -35 ℃
Relative humidity	≤ 90%

Other details
LCD display size	4.6-inch LCD display
Net weight	1190 g (including power adapter)

What to know before buying

Listing details to confirm

The listing identifies the product as S2 in the title but S2 Plus in the model details. It also gives different weight and display-size descriptions: 1 Kilograms and 1190 g (including power adapter), and a 3.42*2.87inch touchscreen versus a 4.6-inch LCD display. Confirm the exact revision and measurements before buying. The listed filament material compatibility is a manufacturer claim, not an independently verified guarantee.

Who is it for?

A good fit for

3D-printer owners who want a heated spool box with adjustable temperature and drying time.
Users who value a live humidity readout and touch controls.
Those looking for a dryer that can also act as a filament spool holder.

Less suited to

Buyers who need independently confirmed compatibility or performance figures.
Anyone requiring a confirmed model revision, display size or net weight without checking the selected listing.

SUNLU Filament Dryer S2 Plus, 360° Heating, LCD Touchscreen · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 118 ratings

5 stars61%61%
4 stars22%22%
3 stars12%12%
2 stars3%3%
1 star2%2%

Customer feedback describes the controls as easy to use and reports effective filament drying, quiet operation and perceived improvements in print quality and stringing. One reported use mentions Nylon and TPU. These experiences may matter to users drying varied materials, but they do not independently confirm the listing's compatibility claims or guarantee a particular printing result.

Positive themes

Customer feedback highlights easy-to-use digital controls and quiet operation.
Customers report effective drying and perceived improvements in print quality and reduced stringing.
The feedback includes a report of use with Nylon and TPU.

Frequently asked questions

What temperature and timer settings are listed?

The product details give a temperature setting range of 35℃-70℃ and a timer range of 1-99 hours.

Which filament types does the listing say it supports?

The listing claims compatibility with PLA, PETG, ABS, TPU, PA and PC, and mentions presets for PLA, TPU, PETG and other common filaments. These are listing claims rather than independently verified compatibility.

Can it feed filament to a printer while drying?

The listing says the dryer can be used as a spool holder, with bearings intended to let filament roll steadily. Confirm that its outlet position suits your printer setup.

Is the model definitely the S2 Plus?

The title calls it S2 while model details say S2 Plus. The listing also varies on display size and weight, so check the selected product version before ordering.