--- product_id: 224892810 title: "Official Filament Dryer S1 Plus, Built-in Circulation Fan, Filament Dryer Box Storage Box for 3D Printer Filament 1.75 2.85 3.00, S1 Plus White" brand: "sunlu" price: "$96.55" currency: USD in_stock: true reviews_count: 8 category: "Sunlu" url: https://www.desertcart.us/products/224892810-official-filament-dryer-s1-plus-built-in-circulation-fan-filament store_origin: US region: United States of America --- # 0-24h customizable drying Built-in circulation fan Adjustable 35-55°C temp Official Filament Dryer S1 Plus, Built-in Circulation Fan, Filament Dryer Box Storage Box for 3D Printer Filament 1.75 2.85 3.00, S1 Plus White **Brand:** sunlu **Price:** $96.55 **Availability:** ✅ In Stock ## Summary > 🔥 Keep your filament fresh, your prints flawless, and your 3D game ahead of the curve! ## Quick Answers - **What is this?** Official Filament Dryer S1 Plus, Built-in Circulation Fan, Filament Dryer Box Storage Box for 3D Printer Filament 1.75 2.85 3.00, S1 Plus White by sunlu - **How much does it cost?** $96.55 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/224892810-official-filament-dryer-s1-plus-built-in-circulation-fan-filament) ## Best For - sunlu enthusiasts ## Why This Product - Trusted sunlu brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Compatibility:** Fits 99% of filament spools (1.75, 2.85, 3.00mm) from all major brands. - • **Whisper-Quiet Operation:** Ultra-quiet design (<10dB) keeps your workspace peaceful and focused. - • **Precision Drying Control:** Tailor temperature and drying time for flawless filament performance every print. - • **Clear & Intuitive Interface:** Large 2-inch LCD screen displays real-time temperature and timer for effortless monitoring. - • **Seamless Printing Experience:** Dry filament while printing with dual rollers and circulation fan—no downtime, no hassle. ## Overview The SUNLU Filament Dryer S1 Plus is a smart, user-friendly drying box designed to eliminate moisture-related 3D printing issues. Featuring adjustable temperature (35-55°C) and drying time (up to 24 hours), a built-in circulation fan for drying during printing, and compatibility with nearly all filament spools, it ensures superior print quality. Its ultra-quiet operation and clear LCD display make it an essential tool for professional and hobbyist 3D printers alike. ## Description desertcart.com: SUNLU Official Filament Dryer S1 Plus, Built-in Circulation Fan, Filament Dryer Box Storage Box for 3D Printer Filament 1.75 2.85 3.00, S1 Plus White : Industrial & Scientific Review: Dry your filament. Great product to use. - Worked great on drying filament. I’m new to 3D printing. Having problems with feeding through extruder and nozzle. Turned out, moisture was the issue. Printer is working great now. Recommend this product. Review: Worth The Purchase - I bought this because my filament was getting humid and stringing up horribly. This fixed it, and my prints are looking much better in detail. Extremely easy to use, plug it in, turn it on, set a timer and that's about it! ## Features - 【Say Goodbye to Poor 3D Printing by Wet Filament】Wet 3d printing filament will caused to stringing, clogging, poor adhesion, and Layer Shift. SUNLU FDM 3D Filament Dryer Enclosure can drying while printing to improve your 3D model, reducing the impact of the objective environment on the printing of 3d filaments. - 【Personalized Temperature Setting】The user can adjust the temperature of the drying box according to different 3d filament type, ambient temperature, humidity and other factors. Adjustable temperature range 35℃~55℃. Suitable for more than 20 kinds of 3d printing filament commonly used in the market - 【Personalized Drying Time Setting】 The default continuous drying time of the drying box is 6 hours, and you can also manually set the drying time. The time setting range is 0~24 hours. Commonly used 3D filament on the market under normal circumstances only need 3-6 hours of drying to achieve a good printing experience and printing effect. - 【Compatible with 99% of 3D Filament Spools】A: Maximum capacity of SUNLU dry box is Φ210*85(H)mm. B: Compatible with all the mainstream 3D filament brands SUNLU, GEEETECH, ERYONE, ESUN, desertcart BASIC etc.; C: Works perfectly with all standard filament diameters 1.75mm/2.85mm/3.00mm. - 【User-friendly Design&1 Year Guaranteed After-Sales Service】 A: The design of two rollers inside the box allows you to print while drying; B: 2 inch large screen LCD monitor, can display temperature and time clearly and brightly; C: Ultra quiet design, less than 10db while operating, no disturbing of your life and work; D: Exquisite packaging design- best gift: Come on to buy one to present to your friends who love 3D printing - 【Importance of Filament Dryer】Any material of filaments will absorb moisture from the air, filament being old or in high humidity place may absorb a lot. Damp filament will cause many printing issues, filament dryer can remove moisture from the damp filament. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08C9RZPMN | | Additional Features | Built-in circulation fan for drying while printing, personalized temperature and drying time settings, wide filament compatibility, user-friendly design with large screen LCD monitor and ultra quiet operation | | Best Sellers Rank | #17,556 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #458 in 3D Printing Filament | | Brand | SUNLU | | Brand Name | SUNLU | | Color | Pure White S1 Plus | | Customer Reviews | 4.4 out of 5 stars 3,202 Reviews | | Global Trade Identification Number | 06933582324353 | | Item Diameter | 1.75 Millimeters | | Item Weight | 2.7 Pounds | | Manufacturer | SUNLU | | Manufacturer Part Number | 3D Printer Filament Dryer S1 | | Material | 3D Printer Filament Dryer S1 Plus, SUNLU FilaDryer S1 Plus, SUNLU Filament Dryer S1 Plus | | Material Type | 3D Printer Filament Dryer S1 Plus, SUNLU FilaDryer S1 Plus, SUNLU Filament Dryer S1 Plus | | Model Number | SUNLU Filament Dryer S1 Plus | | Number of Items | 1 | | Special Feature | Built-in circulation fan for drying while printing, personalized temperature and drying time settings, wide filament compatibility, user-friendly design with large screen LCD monitor and ultra quiet operation Special Feature Built-in circulation fan for drying while printing, personalized temperature and drying time settings, wide filament compatibility, user-friendly design with large screen LCD monitor and ultra quiet operation See more | | UPC | 782950697805 | | Unit Count | 1 Count | ## Product Details - **Brand:** SUNLU - **Color:** Pure White S1 Plus - **Item Diameter:** 1.75 Millimeters - **Item Weight:** 2.66 Pounds - **Material:** 3D Printer Filament Dryer S1 Plus, SUNLU FilaDryer S1 Plus, SUNLU Filament Dryer S1 Plus ## Images ![Official Filament Dryer S1 Plus, Built-in Circulation Fan, Filament Dryer Box Storage Box for 3D Printer Filament 1.75 2.85 3.00, S1 Plus White - Image 1](https://m.media-amazon.com/images/I/71mjCRpIamL.jpg) ## Questions & Answers **Q: This is listed as an "Upgraded" dryer box. Is there anything different from the similar Sunlu dryer box that isn't upgraded?** A: Temp setting is more stable. Less friction making sure the filament goes more smoother **Q: does this work for nylon? what is the temperature setting for nylon? these are not mentioned in manual** A: I claim to be no expert, but the idea for this product is to heat the filament to a temperature below it's glass transition temperature (GTT), and maintain that temperature for several hours. A temperature closer to the GTT of the filament being dried will have a faster drying time, however using a lower temperature value should allow for the same level of dryness to be achieved, it may just increase the drying time required. I do not believe there is any harm in overdrying filament. A quick Internet search states that the GTT of nylon is 47 degrees C, this changes depending on the dryness of the material. The max temperature for this device is 55 degrees C. If I were drying nylon, I would set it to 50 degrees C, for a minimum of 6 hours prior to printing. I do not print with Nylon, but it is my understanding that it absorbs moisture very quickly, so it may be prudent to dry nylon that is new or wet for an extended period of time, 12+ hours, and to keep it in adry bag with silicate packets. When printing with it, keep it in the filament dryer, allowing it to run during the print to maintain the level of dryness of the filament. The dryer is low power, and doesn't cost much to use. Hope this helps. **Q: Can I leave this running all the time, 24/7?** A: The most it will run unattended is 24 hours, then it shuts off. You will have to reset it to 24 hours every time you turn it on - there is no way (unfortunately, I would like the feature as well) to have it on all the time. I routinely do 100 - 200+ hour prints, but I have to check this box every day. **Q: Can the dry be set to start up and shut off on its own? I am looking for dryer that i can leave the spool inside and automatically runs 6h every night** A: It only has a shut off no auto start ## Customer Reviews ### ⭐⭐⭐⭐⭐ Dry your filament. Great product to use. *by B***Y on March 13, 2026* Worked great on drying filament. I’m new to 3D printing. Having problems with feeding through extruder and nozzle. Turned out, moisture was the issue. Printer is working great now. Recommend this product. ### ⭐⭐⭐⭐⭐ Worth The Purchase *by N***K on January 26, 2026* I bought this because my filament was getting humid and stringing up horribly. This fixed it, and my prints are looking much better in detail. Extremely easy to use, plug it in, turn it on, set a timer and that's about it! ### ⭐⭐⭐⭐ Works like a charm *by S***A on August 28, 2025* This filament dryer has been a solid addition to my 3D printing setup. I was having issues with moisture in my filament, which was causing prints to fail or come out with poor quality. This dryer has pretty much eliminated those issues. The design is compact and easy to use - just load up your filament and set the temperature. The unit heats up quickly and maintains a consistent temperature, which is great for drying out sensitive materials like PLA or PETG. One thing that keeps me from giving it 5 stars is that the controls can be tough to figure out at first. Overall, I'm happy with the performance and it's saved me from a bunch of print failures. If you're struggling with moisture issues and want a simple solution, this dryer is worth checking out. ## Frequently Bought Together - SUNLU Official Filament Dryer S1 Plus, Built-in Circulation Fan, Filament Dryer Box Storage Box for 3D Printer Filament 1.75 2.85 3.00, S1 Plus White - SUNLU PLA 3D Printer Filament PLA Filament 1.75mm, Neatly Wound 3D Printing Filament, Dimensional Accuracy +/- 0.02 mm, Fit Most FDM 3D Printer, 1kg Spool (2.2lbs), Good for Lithophane, White - Dry & Dry [2 LBS] Blue Indicating Silica Gel Beads Desiccants (Industry Standard 3-5 mm) - Reusable Desiccant Beads Silica Beads(Blue to Pink) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/224892810-official-filament-dryer-s1-plus-built-in-circulation-fan-filament](https://www.desertcart.us/products/224892810-official-filament-dryer-s1-plus-built-in-circulation-fan-filament) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-13*