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🔥 Keep your prints flawless—dry smarter, print better! 💨
The SUNLU S1 PLUS Filament Dryer is a sleek, portable drying box designed for 1.75mm PLA, PETG, ABS, TPU, and Nylon filaments. Featuring an adjustable temperature range (35-55°C) and built-in fan for even heat distribution, it prevents moisture absorption that can ruin prints. With intuitive controls, silent operation, and dust-proof storage, it ensures consistent, high-quality 3D printing results even in humid environments.










| Brand | SUNLU |
| Colour | Black |
| Material | 3D Printer Filament Dryer Box |
| Recommended uses for product | Drying and storing 3D printer filaments |
| Special feature | Fan for faster drying, Visual display, Customizable settings, High compatibility |
| Style | Modern |
P**O
Decent quality dryer, so far working well
Works for my PETG filament. Nice and easy to setup and control. Keeps the moisture away from my filament so I get nicer prints than I did previously.
O**G
Great value great product
I don't often write reviews of an Item I have purchased on Amazon but this Sunlu Filament dryer deserves a shout out it's truly an amazing product, my 3D prints are all transformed especially TPU and PETG filaments and cheaper generic filament print the same as Bambu labs own brand, you won't be disappointed I guarantee.
P**N
Seems to work fine
Only used this a few times and it seems to do a good job of drying filament. Not silent in use and the controls aren't the most intuitive or helpful, but cheap.
L**C
Super
It's a great product
S**S
Effective filament dryer
I've had this for an hour or so, but it seems to be doing it's job pretty well. Extremely quiet, compared to my food dehumidifier it's infinitely quieter so it can live in pretty much any room. It looks well designed and came with a UK power supply (there was one review that said it didn't which I thought was odd). One thing I wanted to add was that it includes a humidity readout. Nowhere in the advert or the instructions does it mention humidity, but given the objective is to get the filament down to a certain humidity it makes sense. It's currently showing 18% on PETG after an hour, but I'll leave it for a decent time to make sure it gets low enough to use.
D**S
Very happy with order
Received my order, very happy with the dryer
J**H
Works well but doesn't last
Works well but doesn't last Had for under a year before the fan bearing failed causing to be to be extremely noisy. Other than that it does work well enough to slowly dry out filament, and being able to run filament straight from the dryer to the printer is a nice option
D**D
It just works - value for money
I got the dryer after the discovery of how drying filament can make such a huge difference to print quality. I use it while printing as well as sometimes before, so like a currently have been using it for 40hrs straight for a 1day print(plenty of pre print drying), as then the prints come out spotless. Ideal for if you are trying to improve your prints, doubles as an regular filament holder too if you use a bowden tube to feed it to the printer. The biggest issue is you'll find eventually you might want more than just one!
L**.
No lo recomiendo
Está horrible el carrete no gira bien dentro de la caja, arruinó dos impresiónes y la temperatura dice 55 grados pero no es real
A**O
Perfetto
Ottimo prodotto consigliato
M**W
Solid and priced right.
A great little dryer. Temps don’t get hot enough for petg, but works great for pla.
D**D
Sehr empfehlenswerter Filamenttrockner – überzeugende Ergebnisse
Ich habe mir diesen Filamenttrockner erst vor kurzem gekauft, obwohl inzwischen bereits die S2-Version des Geräts erhältlich ist. Trotzdem habe ich mich bewusst für die erste Version entschieden – und diese Entscheidung hat sich für mich als absolut richtig erwiesen. Getestet habe ich den Trockner mit einem PETG-Filament, das seit über drei Viertel Jahr offen herumlag. Beim Drucken hatte dieses Filament zuvor ständig Probleme verursacht: sichtbare Bubbles im Druckbild und deutliches Knistern aus der Düse, typisch für feuchtes Filament. Ich habe das Filament für sechs Stunden bei 50 °C in der Box trocknen lassen und anschließend direkt aus dem Trockner heraus gedruckt. Das Ergebnis war beeindruckend: keine Blasen mehr, kein Knistern, saubere Druckoberflächen – das Filament ließ sich wieder verarbeiten wie im Neuzustand. Genau das, was man von einem Filamenttrockner erwartet. Meiner Meinung nach ist der Umstieg auf die S2-Version nicht zwingend notwendig. Die erste Version erfüllt ihren Zweck vollkommen und liefert sehr gute Ergebnisse. Gerade in Relation zum Preis ist das Gerät daher klar empfehlenswert.
N**D
Onmisbaar bij 3D printen
Niet het eerste waar je aan denkt, een PLA filament droger. Maar PLA is een lastig product, bij een wat hogere luchtvochtigheid trekt het spul water aan. Daardoor krijg je rare printeffecten, gespetter door stoomvorming in je hotend en slecht hechtende lagen. Dit ding droogt je filament en je houdt daardoor vaak onbegrepen problemen op afstand.
Trustpilot
1 month ago
2 months ago