--- product_id: 625947766 title: "SUNLU Official Filament Dryer S4, 3D Printer Filament Dry Box, Upgraded 4-Spool Filament Dehydrator, Auto Humidity Control/Fast Heating/Temperature Balance, Filaments Storage Box White" brand: "sunlu" price: "VT129996" currency: VUV in_stock: true category: "Sunlu" url: https://www.desertcart.vu/products/625947766-sunlu-official-filament-dryer-s4-3d-printer-filament-dry-box store_origin: VU region: Vanuatu --- # 350W rapid heating ±3℃ temperature balance 4-spool capacity SUNLU Official Filament Dryer S4, 3D Printer Filament Dry Box, Upgraded 4-Spool Filament Dehydrator, Auto Humidity Control/Fast Heating/Temperature Balance, Filaments Storage Box White **Brand:** sunlu **Price:** VT129996 **Availability:** ✅ In Stock ## Summary > 🔥 Stay ahead in 3D printing with the fastest, smartest filament dryer on the market! ## Quick Answers - **What is this?** SUNLU Official Filament Dryer S4, 3D Printer Filament Dry Box, Upgraded 4-Spool Filament Dehydrator, Auto Humidity Control/Fast Heating/Temperature Balance, Filaments Storage Box White by sunlu - **How much does it cost?** VT129996 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/625947766-sunlu-official-filament-dryer-s4-3d-printer-filament-dry-box) ## 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 - • **Quad-Spool Powerhouse:** Keep 4 filament spools perfectly dry and ready for multi-color or multi-machine 3D printing sessions without interruption. - • **Lightning-Fast Heat-Up:** Reach optimal drying temperature in just 30 minutes with a powerful 350W PTC heater—50% faster than competitors. - • **Triple-Layer Safety Shield:** Advanced PTC, temperature switch, and software protections ensure your filament and prints stay safe with real-time alerts. - • **Smart Auto Humidity Control:** Set your preferred humidity range and let the dryer automatically maintain ideal filament conditions, preventing over-drying. - • **Uniform Drying with Triple Fans:** Three strategically placed fans maintain consistent temperature and humidity, rescuing even the most stubborn damp filaments. ## Overview The Official Filament Dryer S4 by SUNLU is a cutting-edge 3D printer filament dry box designed for professional users who demand efficiency and reliability. Featuring a 4-spool capacity, rapid 350W heating, triple-fan temperature balance, and smart auto humidity control, it ensures your filaments stay perfectly dry and ready for flawless printing. Its triple-layer safety system offers peace of mind, making it an essential upgrade for any serious 3D printing workspace. ## Description From the brand SUNLU New FILADRYER S4 Visit the store SUNLU New FILADRYER S4 Visit the store Multicolor Filament Bundle Visit the store Multicolor Filament Bundle Hot/New Product Visit the store Hot/New Product High Toughness PLA+ Filament Visit the store High Toughness PLA+ Filament PLA Matte Filament Visit the store PLA Matte Filament High Speed PLA up to 600mm/s Visit the store High Speed PLA up to 600mm/s PETG 3D Printer Filament Visit the store PETG 3D Printer Filament High Speed PETG Filament Visit the store High Speed PETG Filament Functional PA6CF filament Visit the store Functional PA6CF filament Colorful Macaron PLA PLUS Visit the store Colorful Macaron PLA PLUS Functional ABS Filament Visit the store Functional ABS Filament TPU Filament Visit the store TPU Filament Rainbow Series 3D Filament Visit the store Rainbow Series 3D Filament Filament Dryer Box Visit the store Filament Dryer Box Special Colors 3D Filament Visit the store Special Colors 3D Filament Water Washable 3D Resin Visit the store Water Washable 3D Resin ## Features - ①【4 Spools in 1 Box】Experience uninterrupted 3D printing with SUNLU New S4 Filadryer– the first filament dryer box that effortlessly handles 4 spools 1KG 3D Printer Filament simultaneously.With the new generation filament drying box, we can embrace the freedom of multi-color and multi-machine 3d printing. - ②【Updraded Lightning-Fast Heating】Get to heating quicker with the S4 filament dry box's impressive 350W PTC heater. In just 30 minutes, it heats up from 25℃ to 50℃, ensuring 50% faster and more efficient heating than other filament dryer box in the market. Efficiency meets speed for a next-generation 3d printing experience. - ③【Triple Security for Worry-free Printing】Rest easy knowing the S4 filament storage box prioritizes your safety. Its triple-layer security – PTC, temperature switch, and software protection – keeps a vigilant eye on temperatures, ensuring a worry-free 3d printing environment with real-time alerts for any unexpected changes. - ④【Triple Fans for Uniform Drying】SUNLU New generation S4 filament dehydratorr equipped with three build-in fans – two circulating fans on the sides and 1 on the bottom. It maintains a temperature balance inside the box within ±3℃, guaranteeing optimal drying for every section of the filament. Efficiently rescue your wet filaments. - ⑤【Smart Auto Humidity Control】3D printing users can adjust the internal humidity by mode 2(humidity range 30%~50%). The S4 dryer will auto start drying when humidity hits your desired range, ensuring your filament stays dry. And will stop drying when humidity below 25%, catering to avoid excessive drying of the filament. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CXTD88X2 | | Best Sellers Rank | 3,287 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 295 in Filament 3D Printing Materials | | Brand | SUNLU | | Colour | White S4 | | Customer Reviews | 4.7 4.7 out of 5 stars (1,109) | | Date First Available | 12 Mar. 2024 | | Item Weight | 4 kg | | Manufacturer | SUNLU | | Manufacturer Part Number | FD-S4-WT-EU | | Material Type | Plastic Filament | | Model Number | SUNLU Sécheur à filament S4 | | Package Dimensions | 51.5 x 35.5 x 28 cm; 4 kg | ## Product Details - **Brand:** SUNLU - **Colour:** White S4 - **Item weight:** 4 Kilograms - **Material:** Plastic Filament - **Product dimensions:** 21.1D x 21W x 21.1H centimetres ## Images ![SUNLU Official Filament Dryer S4, 3D Printer Filament Dry Box, Upgraded 4-Spool Filament Dehydrator, Auto Humidity Control/Fast Heating/Temperature Balance, Filaments Storage Box White - Image 1](https://m.media-amazon.com/images/I/61wMFCieieL.jpg) ![SUNLU Official Filament Dryer S4, 3D Printer Filament Dry Box, Upgraded 4-Spool Filament Dehydrator, Auto Humidity Control/Fast Heating/Temperature Balance, Filaments Storage Box White - Image 2](https://m.media-amazon.com/images/I/71qKO7FOH1L.jpg) ![SUNLU Official Filament Dryer S4, 3D Printer Filament Dry Box, Upgraded 4-Spool Filament Dehydrator, Auto Humidity Control/Fast Heating/Temperature Balance, Filaments Storage Box White - Image 3](https://m.media-amazon.com/images/I/71y6HP6vTXL.jpg) ![SUNLU Official Filament Dryer S4, 3D Printer Filament Dry Box, Upgraded 4-Spool Filament Dehydrator, Auto Humidity Control/Fast Heating/Temperature Balance, Filaments Storage Box White - Image 4](https://m.media-amazon.com/images/I/71PoEoeASVL.jpg) ![SUNLU Official Filament Dryer S4, 3D Printer Filament Dry Box, Upgraded 4-Spool Filament Dehydrator, Auto Humidity Control/Fast Heating/Temperature Balance, Filaments Storage Box White - Image 5](https://m.media-amazon.com/images/I/71+EB+OSoHL.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - SUNLU Official Filament Dryer S4, 2025 Newest 3D Printer Filament Dry Box, Upgraded 4-Spool Filament Dehydrator, Auto Humidity Control/Fast Heating/Temperature Balance, Filaments Storage Box White - ELEGOO PLA+ Filament 1.75mm Black 1KG, PLA Plus Tougher and Stronger 3D Printer Filament, Dimensional Accuracy +/- 0.02mm, 1kg Cardboard Spool(2.2lbs) for Most FDM 3D Printers --- ## 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.vu/products/625947766-sunlu-official-filament-dryer-s4-3d-printer-filament-dry-box](https://www.desertcart.vu/products/625947766-sunlu-official-filament-dryer-s4-3d-printer-filament-dry-box) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-09*