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Item #:
222440509
SUNLU S4 3D Printer Filament Dryer, 4 Spools Capacity, Black
87% of respondents would recommend this to a friend
Item #:
222440509
SLE 3767
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Enhancing drying efficiency and printing quality while drying four filaments simultaneously.
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What Stands Out
High Capacity
Accommodates up to four spools, allowing users to dry multiple filament types simultaneously, ensuring efficient workflow and reduced downtime.
Efficient Heating
Equipped with a powerful 350W PTC heater that reaches up to 70°C, effectively removing moisture from various filaments for optimal printing performance.
Smart Control
Intelligent humidity control automates drying processes, ensuring filaments maintain peak quality while minimizing user intervention and enhancing printing reliability.
Product Details
| Brand Name | SUNLU |
| Model Name | SUNLU Filament Dryer S4 |
| Number of Packs | 1 |
| Unit Count | 4 Count |
| Manufacturer | SUNLU |
| Number of Items | 4 |
| Model Number | SUNLU Filament Dryer S4 |
| Manufacturer Part Number | SLUS-FD-S4-BK-US-NEW |
| Capacity | 4 kg |
| Item Weight | 4 kg |
| Color | S4 Black |
| Material Type | Filament Dryer S4 |
| Brand | SUNLU |
| Material | Filament Dryer S4 |
Who Should Buy?
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Frequent 3D Printers
Ideal for users who regularly print with various filament types needing controlled humidity and optimal drying.
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Multi-Material Users
Perfect for individuals looking to use a variety of filaments like nylon, TPU, and PLA without moisture issues.
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Humidity Sensitive Projects
Beneficial for projects where filament performance is critically affected by environmental humidity and moisture absorption.
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Casual Hobbyists
Not ideal for occasional users who do not print often enough to warrant the need for a filament dryer.
Product Description
SUNLU S4 3D Printer Filament Dryer, 4 Spools Capacity, Black
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the capacity of the SUNLU S4 3D Printer Filament Dryer?
Answer: The SUNLU S4 3D Printer Filament Dryer is designed to hold up to 4 spools of filament simultaneously. This allows you to dry multiple filaments at once, ensuring they are kept in optimal condition and ready for use. The spacious interior helps facilitate comprehensive drying for different materials, catering to a variety of printing needs. Whether you are working with PLA, ABS, or other filaments, this dryer ensures that moisture levels are minimized, preventing issues like filament jams or subpar print quality. -
Question:
How does the intelligent humidity control feature work?
Answer: The SUNLU S4 features intelligent humidity control that continuously monitors humidity levels inside the dryer. By utilizing advanced sensors, it automatically adjusts the drying temperature and fan speed to optimize filament drying conditions. This technology is particularly beneficial for materials that are sensitive to moisture, as it helps maintain the integrity of your filament. For instance, users printing with nylon or PETG can rely on the dryer to effectively manage moisture, significantly improving print quality. -
Question:
What temperature can the SUNLU S4 reach, and why is it important?
Answer: The SUNLU S4 can reach a maximum temperature of 70°C. This temperature is crucial for effectively drying various types of filament without causing damage. Different materials have specific moisture absorption rates, and maintaining the right heat ensures efficient moisture removal while preserving the filament's properties. For example, when using hygroscopic filaments, being able to set the dryer at 70°C allows for quick drying times, ensuring your prints maintain optimal adhesion and finish. -
Question:
What are the benefits of the upgraded 3 circulation fans?
Answer: The upgraded 3 circulation fans in the SUNLU S4 work to enhance air circulation throughout the drying chamber. This improvement ensures even heat distribution, resulting in more effective moisture removal from all spools. With better circulation, filaments are dried uniformly, minimizing the chances of filament clumping or degradation. Users who have faced issues with uneven drying from other devices will appreciate how these fans provide a reliable solution for consistently high-quality filament. -
Question:
Can I use the SUNLU S4 for all types of filaments?
Answer: Yes, the SUNLU S4 is compatible with a wide variety of filaments, including PLA, ABS, PETG, and TPU. Its versatile design allows you to effectively dry both standard and specialty filaments, making it a valuable addition to any 3D printing setup. By maintaining optimal humidity levels, you can significantly enhance the performance and finish of your prints, especially for filaments known to absorb moisture. Using the right drying techniques with this device contributes to successful 3D printing projects. -
Question:
What materials are recommended for use with the SUNLU S4 Filament Dryer?
Answer: The SUNLU S4 is highly effective with materials such as PLA, ABS, PETG, nylon, and TPU. These filaments tend to absorb moisture from the air, which can lead to printing problems like stringing, popping, or poor layer adhesion. By using the SUNLU S4, you can alleviate these issues and optimize your 3D printing results. For instance, nylon filaments, which are particularly hygroscopic, benefit immensely from being dried before use, leading to smoother prints with improved mechanical properties. -
Question:
What features make the SUNLU S4 a better choice compared to other filament dryers?
Answer: The SUNLU S4 stands out due to its combination of generous capacity, intelligent humidity control, and the upgraded 3 circulation fans. These features work together to provide efficient drying and consistent temperature regulation, optimizing the performance of your filaments. Unlike many other filament dryers, the SUNLU S4 is specially designed to cater to a variety of filaments, ensuring that you're equipped with quality material for multiple printing projects. This multifunctionality makes it a preferred option among 3D printing enthusiasts. -
Question:
Is the SUNLU S4 Filament Dryer energy-efficient?
Answer: Yes, the SUNLU S4 is designed to be energy-efficient while delivering powerful drying performance with its 350W PTC heater. This energy efficiency ensures that you can use the dryer for extended periods without incurring excessive energy costs. Compared to conventional drying methods or less efficient dryers, the SUNLU S4 maximizes drying effectiveness while minimizing energy consumption, making it an eco-friendly choice for avid 3D printers looking to maintain both quality and cost-effectiveness. -
Question:
Where can I buy the SUNLU S4 3D Printer Filament Dryer?
Answer: You can purchase the SUNLU S4 3D Printer Filament Dryer at Ubuy. Ubuy provides a reliable platform for sourcing a variety of electronic products, including advanced 3D printing accessories. With a user-friendly interface and detailed product descriptions, Ubuy offers customers the convenience of browsing through product options and features while ensuring secure transactions for their purchases.
SUNLU 3D Printing Filament SUNLU Filament Dryer S4 Editorial Review
SUNLU S4 3D Printer Filament Dryer, 4 Spools Capacity, White features intelligent humidity control and upgraded circulation fans, making it ideal for maintaining filament quality. Users praise its ability to hold multiple spools, with easy-to-use controls for various filament types, including PETG and PLA. The powerful PTC heater can reach up to 70C, ensuring effective drying while the hygrometer monitors moisture levels. Despite minor challenges with the lid design, many appreciate its functionality and robust performance, making it a valuable addition for 3D printing enthusiasts. Those familiar with the SUNLU brand often express satisfaction with this product's effectiveness and reliability in drying filament efficiently.
Customer Reviews & Ratings
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Pros
- Holds up to four spools of filament
- Easy to use controls for various types
- Maintains optimal moisture levels automatically
- Powerful PTC heater for quick drying
- Well-suited for carbon fiber and other filaments
Cons
- Lid latch design may be difficult to operate for some
Platform Trust & Buyer Confidence
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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SLE 3767
Order now and get it around Thursday, September 24
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Features & Benefits
- Dry up to four 1kg 3D printer filaments at once.
- Three circulation fans ensure consistent temperature for even drying.
- 350W PTC heater provides higher heating efficiency and safety.
- Features eight filament exit holes for smoother loading and printing.
- Personalized temperature and timer settings allow customization for filament conditions.
- Compatible with a wide range of materials including PLA, PETG, ABS, and more.
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