{"product_id":"sunlu-filament-dryer-s1-plus-dry-while-you-print-for-better-results","title":"SUNLU Filament Dryer S1 Plus - Dry While You Print for Better Results","description":"\u003cp\u003eIn this review the SUNLU Filament Dryer S1 Plus is judged as a practical solution for hobbyists and small workshops that struggle with damp filament. The dryer is best for users who want to reduce common print defects caused by moisture - like stringing, clogging, poor adhesion and layer shifts - because it can dry spools while feeding a printer. It is straightforward to use, offers adjustable temperature and time controls, and aims to keep filament dry during printing so models come out more reliable.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in circulation fan:\u003c\/strong\u003e Maintains even drying inside the enclosure so filament is dried consistently rather than only at the spool surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable temperature 35C-55C:\u003c\/strong\u003e Lets the user set heat to suit different materials and ambient humidity for safer, tailored drying.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTimer 0-24 hours:\u003c\/strong\u003e Offers flexible drying schedules with a default continuous 6 hour mode that fits normal filament drying needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility with common spool sizes:\u003c\/strong\u003e Fits standard spools up to 210 x 85(H) mm and works with 1.75 mm, 2.85 mm and 3.00 mm filament diameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrint-while-drying design:\u003c\/strong\u003e Two internal rollers allow filament to unspool directly from the dryer for simultaneous drying and printing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet operation and clear display:\u003c\/strong\u003e The large 2 in LCD and ultra-quiet design (under 10 dB) keep monitoring easy without disturbing the workspace.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe SUNLU S1 Plus suits makers, resin and FDM hobbyists, and small lab users who frequently print with hygroscopic materials or live in humid environments and need a compact dryer that can operate during a print. It is especially useful for users who want a dedicated unit rather than improvised solutions, and for those printing flexible filaments like TPU that show clear quality gains when dry.\u003c\/p\u003e\u003cp\u003eIt may be less appropriate for industrial users who need very large spool capacity or higher maximum temperatures for specialty materials, and those who require integrated vacuum or desiccant systems for long-term storage should look at larger, purpose-built archival solutions.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEffectively reduces moisture-related print issues, improving \u003cstrong\u003eprint quality\u003c\/strong\u003e for common filaments.\u003c\/li\u003e\n\u003cli\u003eOffers user control with a clear LCD for both temperature and time settings.\u003c\/li\u003e\n\u003cli\u003eWorks with most mainstream spool brands and three standard diameters for wide compatibility.\u003c\/li\u003e\n\u003cli\u003eQuiet operation means it can run in a home or shared workspace without distraction.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome users report mixed feedback on maximum heat performance, so it may not reach desired temperatures for every situation.\u003c\/li\u003e\n\u003cli\u003eCapacity is limited to smaller spools (210 x 85 mm), so very large industrial spools will not fit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSUNLU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eS1 Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003e35C to 55C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTimer range\u003c\/td\u003e\n\u003ctd\u003e0 to 24 hours (default 6 hours)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax spool size\u003c\/td\u003e\n\u003ctd\u003e210 x 85(H) mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported diameters\u003c\/td\u003e\n\u003ctd\u003e1.75 mm, 2.85 mm, 3.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e2 in LCD monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe SUNLU Filament Dryer S1 Plus is a practical, value-oriented accessory for hobbyists and small shops that want more reliable prints from standard filaments. With adjustable temperature and timing, compatibility with common spool sizes and quiet operation, it removes much of the headache caused by damp filament; professionals who need larger capacity or higher temperatures should consider more heavy-duty options.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan I print while the filament is in the dryer?\u003c\/strong\u003e\u003cbr\u003eYes. The internal rollers are designed so filament can unspool while drying and feed your printer directly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat filament diameters are supported?\u003c\/strong\u003e\u003cbr\u003eThe unit supports the three common diameters: 1.75 mm, 2.85 mm and 3.00 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long should I dry typical filament?\u003c\/strong\u003e\u003cbr\u003eUnder normal conditions 3-6 hours is generally sufficient, and the S1 Plus lets you set time anywhere from 0 to 24 hours if longer drying is needed.\u003c\/p\u003e","brand":"SUNLU","offers":[{"title":"Default Title","offer_id":48653855785179,"sku":"B08C9RZPMN","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71mjCRpIamL._SL1500.jpg?v=1778613043","url":"https:\/\/gearmusthave.com\/products\/sunlu-filament-dryer-s1-plus-dry-while-you-print-for-better-results","provider":"GearMustHave","version":"1.0","type":"link"}