Description
The SUNLU FilaDryer S4 Pro takes everything you loved about the S4 and doubles its versatility with dual-zone temperature control and integrated part annealing!
Features
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Dual-Zone Heating: Dry two different materials independently.
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High-Temp Performance: Reaches up to 85°C for engineering filaments.
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Part Annealing Mode: Post-process printed models for enhanced strength.
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Smart RH Control: Auto-adjusts power to maintain optimal low humidity.
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4-Spool Capacity: Fits four 1kg rolls simultaneously.
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Split-Screen Display: Monitor and configure both chambers at a glance.
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Triple Safety System: Over-temp protection and stable PTC heating.
[Smarter Drying, Better Printing]
The SUNLU FilaDryer S4 Pro is designed to help makers and professionals keep filaments dry, stable, and ready to print. With dual-zone independent control, automatic humidity management, and built-in annealing mode, it delivers a more efficient and flexible filament drying experience.
[Dual-Zone Control, More Flexibility]
The SUNLU FilaDryer S4 Pro runs two different drying settings at the same time. Dry PLA / PETG in one chamber while conditioning PA / PC / PP in the other, or set separate programs for different materials to save time and boost productivity.
[Faster Heating, Faster Results]
Reach 85°C / 185°F more quickly with upgraded heating and airflow circulation. This helps remove moisture more effectively, reduce stringing, and improve layer adhesion for smoother print performance.
[Built for Advanced Materials]
Add professional annealing support to your 3D printing workflow. The built-in annealing mode helps improve strength, dimensional stability, and heat resistance, making it ideal for PA, PC, PP, and for printed parts made out of engineering materials with an annealing temperature of 85°C or less.
[Smart Humidity Management]
Set your target RH range from 30% to 50% and let the dryer do the rest. The system automatically starts when internal humidity reaches the set level and stops at 25% RH, helping keep filaments protected and ready to print.
[One Dryer, Multiple Adaptations]
Compatible with PLA, PETG, TPU, ABS, ASA, PA (Nylon), PC, and variants with carbon fiber or glass fiber fill, and more. A large-capacity design for 4 × 1kg spools makes it a reliable choice for home studios, workshops, and 3D printing farms.
Specifications
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Product Name: SUNLU FilaDryer S4 Pro
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Model: S4Pro
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Color: Black
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Heating Temperature: Up to 85°C
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Filament Capacity: 1KG x 4
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Applicable Filaments Types: PLA, ABS, PETG, TPU, PA, PC etc
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Compatible Filament Diameters: 1.75mm, 2.85mm, 3.0mm
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Filament Holes: 8 (PTFE available)
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Net Weight: 4.7 kg
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Gross Weight: 5.4 kg
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Package Dimensions: 516*278*350mm
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Product Size: 458 × 218 × 310 mm (L × W × H)
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Maximum Capacity: 220 × 210 × 211 mm × 2 (L × W × H)
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Power Input: AC 220V / 50Hz
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Rated Power: 380W
Packaging List
- S4 Pro Filament Dryer *1
- Power Cable (UK/SG) *1
- User Manual *1
- 1m PTFE Tube *2
- Accessory Kit *1
- Stainless Steel Shaft *8
- Bearings *16
Certifications
RoHS, CE-EMC, CE-LVD, FCC
Resources
First-Time Operation Guide Video
Customer Reviews
Best Feature(s):Good\nValue For Money:Yes\nPerformance:Testing Now\n\nVery fast delivery... Thumbs 👍 \nNow testing my filament......
Thank you very much for your purchase and review! Happy 3D printing and have a great day ahead! :)\n
Works as advertised
Thank you very much for your purchase and review! Happy 3D printing and have a great day ahead! :)\n
Works as advertised
Thank you very much for your purchase and review! Happy 3D printing and have a great day ahead! :)\n
Excellent dryer, worth the $$$. Much better than my eSun lite dryer 😁. Quick delivery too🥰
Thank you so much for your purchase and review! Happy 3D printing and have a great day ahead! :)\n
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Thank you very much for your purchase and review! Happy 3D printing and have a great day ahead! :)\n
