SKU: 39282701410

SUNLU FilaDryer S4 3D Printer Filament Dryer Box

Sale price$180.00 Regular price$200.00
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Description

SUNLU FilaDryer S4 3D Printer Filament Dryer BoxThe SUNLU FilaDryer S4 is the FIRST filament dryer to fit FOUR filaments at once! Features Holds up to 4 rolls of 1kg filament Eight filament holes for multiple filament drying and concurrent printing PTC heating element and 3 fans for quick heating to 70C PTC heater power: 330W, 6. 9 times stronger than S2 Pre configured temperature settings for PLA, ABS, PETG, TPU, PA, and PC available Adjustable temperature and heating time Auto humidity control

 

The SUNLU FilaDryer S4 is the FIRST filament dryer to fit FOUR filaments at once!

Features

  • Holds up to 4 rolls of 1kg filament
  • Eight filament holes for multiple filament drying and concurrent printing
  • PTC heating element and 3 fans for quick heating to 70°C
  • PTC heater power: 330W, 6.9 times stronger than S2
  • Pre-configured temperature settings for PLA, ABS, PETG, TPU, PA, and PC available
  • Adjustable temperature and heating time
  • Auto humidity control function
  • Two-level temperature control safety switch
  • Soft gel layer on roller prevents issues from high temperature
  • Compatible with 1.75mm, 2.85mm, 3.0mm diameter filaments
  • Compatible with all models of 3D Printers
  • Touchscreen control

 

SUNLU FilaDryer S4 comes with a design size of 458mm*218mm*312mm. It contains up to 4 rolls of 1kg filament. Plus, it is equipped with eight filament holes, and PTFE tubes, which meets the users' demands for drying multiple filaments and for concurrent printing while drying with multiple printers.

SUNLU FilaDryer S4 is equipped with the PTC (Positive Temperature Coefficient) heating element and a triple-fan configuration and therefore it demonstrates enhanced heating efficiency by being able to heat up to 70°C in a shorter amount of time. The PTC heater boasts a heating power of 330W, 6.9 times more powerful than SUNLU FilaDryer S2. The 3 well-positioned fans also ensure even heating and drying.

SUNLU FilaDryer S4 comes with pre-configured temperature settings of commonly used filaments such as PLA, ABS, PETG, as well as TPU, PA and PC. These configurations are based on testing data, providing optimal drying time and temperature. By expanding options while reducing setup complexities, we aim to improve your experience.

With the auto humidity control function, when the humidity in the box reaches the set value (30%-50%) it will automatically start until the humidity drops to 25%, and then stop, to better meet the humidity needs of different types of filaments.

Integrating the PTC heating element and a two-level temperature control safety switch design provides a dual-safeguard system. Moreover, a soft gel layer is applied to the roller to prevent issues caused by prolonged high-temperature exposure, effectively offsetting the risk of minor spool deformation that could rise rotational disruptions. 

SUNLU FilaDryer S4 supports all models of 3D printers connected to use; supporting 4 printers in drying filaments during printing. Compatible with filaments of diameter 1.75mm, 2.85mm, 3.0mm.


Specifications

  • Model: SUNLU FilaDryer S4
  • Heating Temperature: 70°C
  • Filament Capacity: 1KG x 4
  • Applicable Filaments Types: PLA, ABS, PETG, TPU, PA, PC etc
  • Compatible Filament Diameters: 1.75mm, 2.85mm, 3.0mm
  • Heater: PTC with 3 Fans
  • Heat Time (25°C to 50°C): 30mins
  • Heat Time (25°C to 70°C): 50mins
  • Interior Temperature Balance: ± 3°C
  • Humidity Regulation Mode: Auto-drying when humid
  • Desiccant: Yes
  • Touch Screen: Yes
  • LED Status Display: Yes
  • Filament Holes: 8 (PTFE available)
  • Power Input: AC 110V~240V 50Hz/60Hz 330W
  • Product Size: 458*218*312mm (including the height of the tripod)
  • Inner Size: 450*210*211mm
  • Net Weight: 4.8KG
  • Packaging Size: 516*278*350mm
  • Gross Weight: 5.5KG
  • QTY/BOX: 1pc
  • Colour: Black
  • Plug: SG/UK

 

Packing List

  • 1 x S4 drying box
  • 1 x power adapter (SG/UK Plug)
  • 1 x user manual
  • 2 x Teflon tubes (100cm)
  • 4 x Teflon tubes (8cm)

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 39282701410

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N. Biller
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★★★★★ 5
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Style: Pack of 2 - 8 Ounce
My dogs have been having intestinal problems and these are perfect for giving them some safe with a great crunch. They love them.
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Reviewed in the United States on May 28, 2026
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jacqueline alfo
Carnegie, US
★★★★★ 5
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Style: Pack of 2 - 8 Ounce
My puppy loves these, I will be paying again and again!
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Reviewed in the United States on May 30, 2026
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ChrisKindle
San Leandro, US
★★★★★ 5
Little Dog LOVED It
Item Shape: Ring, Size: 6 Count (Pack of 1)
These are very small but perfect for little dogs. My terrier mix is 17 lbs and got frightened by his bully stick hitting the floor several years ago. Since then he has refused to chew on every kind of chew I've bought him, despite using every method of convincing him they're safe. This turkey tendon ring was the FIRST chew he's been willing to chew! He was trembling through the first few nibbles and then devoured the whole thing within 20 mins. I could not be happier and will buy more when he finishes this bag.
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Reviewed in the United States on April 10, 2026
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Sam B
Bozeman, US
★★★★★ 5
Your dog will thank you
Item Shape: Ring, Size: 6 Count (Pack of 1), Item Shape: Ring, Size: 6 Count (Pack of 1)
My dog is obsessed!! I don't even think obsessed is the right word, like she will take a turkey ring over going to the dog park! She has a sensitive stomach and I love that these turkey treats don't give her diarrhea or gas. I work from home so when I have an important meeting or something that requires my undivided attention, I give her one of these and it keeps her occupied for about 30 to 40 mins. They are a bit pricey but my little princess is worth it.
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Reviewed in the United States on April 28, 2026
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Rosie Dusovic
Belleville, US
★★★★★ 5
Great treats
Item Shape: Ring, Size: 6 Count (Pack of 1)
My puppy LOVES these! He can be in the other room and when I go to open the bag hes right behind me. He will do anything for these!
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Reviewed in the United States on May 24, 2026

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