If you’re an avid 3D printing enthusiast, you know how frustrating it can be when your filament absorbs moisture, leading to printing issues like clogging, stringing, and poor layer adhesion. The Sovol SH02 filament dryer is designed to tackle these challenges head-on, offering a fast, efficient, and reliable way to keep your filament dry and ready for use.
In this Sovol SH02 review, we’ll delve into the key features, benefits, and reasons why the Sovol SH02 filament dryer is a must-have for any serious 3D printing setup. Whether you’re new to filament drying or looking for an upgrade, this Sovol filament dryer review will help you understand why the SH02 filament dryer stands out in the market. especially for users seeking an alternative or complement to solutions like the Bambu Lab AMS
Why You Need A Filament Dryer Box :

Clogging :
Moisture-absorbed filaments can cause nozzle clogging, disrupting your printing workflow. Using a reliable filament dryer like the Sovol SH02 filament dryer can help prevent these issues by keeping your filament dry.
Stringing :
Wet filament leads to unwanted stringing between prints, compromising the final result. A good filament dryer box, such as the Sovol SH02, minimizes this problem by removing excess moisture effectively.
Brittle Filament :
Damp filaments become brittle and prone to breaking during extrusion. The Sovol SH02 ensures your filament maintains the right moisture level, reducing brittleness and improving extrusion consistency.
Bubble Formation :
Excess moisture causes bubbles within the filament, affecting print quality. The Sovol SH02 filament dryer is designed to eliminate this risk by drying your filament thoroughly.
Poor Adhesion :
Wet filament often results in poor bed adhesion, leading to warping and print failures. Using the Sovol SH02 dryer can significantly improve adhesion by keeping filament moisture-free.
Layer Shift :
Moist filament can cause uneven layer deposition, resulting in layer shifts and poor print quality. The Sovol SH02 filament dryer review confirms its efficiency in maintaining filament quality to avoid such problems.
Damp filament will cause many printing issues, making a filament dryer an essential tool for maintaining print quality. If you’re considering a filament dryer, the Sovol SH02 is a popular and trusted choice among 3D printing enthusiasts.
Sovol SH02 PTC Fast Heater Filament Dryer Box :

Adjustable Temperature
The Sovol SH02 filament dryer supports a wide temperature range from 40°C to 70°C, allowing optimal drying for different types of filament. This feature is highlighted in many Sovol SH02 reviews as a key benefit for precise moisture control. You can also set drying times from 0 to 98 hours, giving you full control over the drying process.
One-Key Set for 9 Filaments
With pre-set options for PLA, TPU, PETG, ABS, ASA, PVA, PC, PA, and PP, the Sovol SH02 makes filament drying effortless. Simply select the filament type, and the dryer optimizes the settings automatically—a feature praised in the Sovol SH02 filament dryer review for its user-friendliness.
Triple Rings for Better Sealing
Compared to its predecessor, the SH01, the Sovol SH02 features enhanced triple-ring sealing to reduce moisture infiltration significantly, keeping your filament protected longer.
PTC 360° Hot-Air Heating
The Sovol SH02 dryer uses fast, uniform PTC 360° hot-air heating with a built-in fan, ensuring consistent drying results. This fast heater technology is a standout point in many Sovol SH02 reviews.
Real-Time Humidity Monitoring
Stay informed with real-time humidity monitoring, allowing you to track drying effectiveness and ensure your filament stays perfectly dry.
Why Choose the Sovol SH02 Filament Dryer Box?

The Sovol SH02 filament dryer box stands out due to its superior heating speed and capability for longer drying durations. Many Sovol SH02 filament dryer reviews highlight these advantages, making it an excellent choice for serious 3D printing enthusiasts.
Here’s why the Sovol SH02 outperforms other dryers:
| Feature | Sovol SH02 | Other Dryers |
|---|---|---|
| Heating Speed | Reaches around 70% in just 15 minutes | Reaches only about 40% in 15 minutes |
| Temperature Stability | Maintains higher temperature levels consistently | Gradual heating, lower max temperature |
| Drying Efficiency | Faster moisture removal, preserving filament quality | Slower drying, risk of stringing |
| Print Quality After Drying | Smooth texture, no stringing | Often leaves stringing and rough surfaces |
| Optimal Use | Ideal for continuous and long-duration drying | Limited to shorter drying cycles |
Visual Differences Before and After Drying:
Before Drying: Prints show noticeable stringing and moisture retention.
After Drying: Smooth, string-free surfaces that enhance print quality.
The Sovol SH02’s rapid heating and consistent temperature maintenance make it a top choice. Its performance significantly reduces common issues like stringing and poor adhesion, ensuring smoother, high-quality prints.
Fast Heating System of the Sovol SH02 Filament Dryer Box
The Sovol SH02 filament dryer box features a powerful 150W PTC ceramic heating element, delivering rapid and efficient drying performance. This fast heating system can reach a maximum temperature of 70°C, making the Sovol SH02 ideal for a wide range of filament types.
Temperature | Time to Reach |
50°C | 7 minutes |
70°C | 25 minutes |
Key Benefits
- High Heating Power: The 150W PTC ceramic element ensures consistent and rapid heating, setting the Sovol SH02 apart in Sovol SH02 reviews.
- Optimal Drying Efficiency: Quickly reaches and maintains the ideal temperature for effective moisture removal, helping prevent printing issues caused by damp filament.
- Versatile Temperature Range: Suitable for filaments that require higher drying temperatures, including PLA, ABS, and TPU.
This fast heating capability makes the Sovol SH02 filament dryer a reliable choice to keep your filament dry and ready, significantly reducing print defects like stringing, layer separation, and poor adhesion.
Enhanced Sealing System of the Sovol SH02 Filament Dryer Box
The Sovol SH02 filament dryer box features an advanced sealing system designed to maintain an optimal drying environment by minimizing moisture ingress. This superior sealing is often highlighted in many Sovol SH02 reviews as a key advantage over other filament dryers.
The dryer box incorporates three essential sealing components:
Seal Type | Function |
Outlet Seal | Prevents air leakage at the filament outlet, ensuring moisture stays out. |
Middle Seal | Provides a tight seal between the upper and lower compartments. |
Bottom Seal Ring | Ensures a stable and moisture-resistant base. |
Why the Enhanced Sealing Matters:
- Improved Drying Efficiency: The triple-seal design minimizes air leakage, preserving the internal temperature and humidity levels, which is crucial for effective drying in the Sovol SH02 filament dryer.
- Moisture Protection: Keeps filaments dry for longer periods, even during extended storage, making the Sovol SH02 filament dryer a trusted choice among users.
- Stable Structure: The bottom seal ring contributes to overall sturdiness, preventing wobbling or gaps during operation and ensuring consistent drying performance.


Additional Features for Moisture Control:
- Moisture Outlet: Filament outlets are designed to accommodate PTFE tubing, preventing dried filament from contacting ambient moisture before printing. This feature is especially useful for sensitive filaments and helps regulate environmental temperature, improving print quality for ABS filaments.
- Great Seal Performance: The Sovol SH02 dryer acts as a sealing holder for filaments, keeping them dry over long periods. An increased sealing strip further enhances moisture resistance, a benefit noted in many Sovol SH02 reviews.
By incorporating a Triple Ring Sealing System and effective moisture management features, the Sovol SH02 filament dryer box offers exceptional protection against humidity, making it a top choice for high-quality 3D printing projects.
Real-Time Monitoring and Safety Features of the Sovol SH02 Filament Dryer Box :
The Sovol SH02 filament dryer box includes advanced real-time monitoring to ensure safe and consistent drying for every print. This feature is frequently highlighted in Sovol SH02 filament dryer reviews for improving user confidence and print reliability. Its intelligent monitoring system covers multiple parameters and enhances user control.
Key Monitoring Features
- Exhaust Temperature Monitoring: Continuously tracks the temperature of exhausted air to prevent overheating, a key safety feature praised in many Sovol SH02 reviews.
- PTC Overheat Protection: Safeguards the system by automatically adjusting when temperatures exceed safe limits.
- Fan Rotation Monitoring: Ensures consistent airflow and prevents overheating caused by fan malfunctions.
- Mainboard Temperature Monitoring: Keeps track of the internal temperature to maintain optimal performance and safety.
Real-Time Parameter Display:
Parameter Item | Actual Values |
Real-time Temperature | Displays current temperature inside the dryer. |
Real-time Humidity | Shows humidity levels within the dryer chamber. |
User-Friendly Controls:
- Standby Start Button: Easily switch the device on or off.
- Set Selection Key: Navigate through various settings.
- Up/Down Buttons: Adjust temperature and other parameters.
- Setting Temperature: Manually set the desired drying temperature.
- Remaining Drying Time: Check how long the drying process will take.
With its comprehensive real-time monitoring and easy-to-use controls, the Sovol SH02 filament dryer box provides a worry-free and secure drying process. These features help minimize risks and maximize print quality, making the Sovol SH02 a reliable choice for 3D printing enthusiasts seeking consistent filament drying performance.
Intuitive LCD Touch Screen of the Sovol SH02 Filament Dryer Box
The Sovol SH02 filament dryer box features a 3.9-inch LCD touchscreen, offering an intuitive and user-friendly interface for effortless control and monitoring. The enhanced backlit touch keys ensure improved visibility, even in low-light environments.
Key Features of the Touch Screen:
- One-Key Preset: Quickly select optimal drying settings for various filament types with a single touch, a convenient function highlighted in the Sovol SH02 filament dryer review.
- Enhanced Visibility: Backlit touch keys make it easy to operate the device in any lighting condition.
- Easy Navigation: The responsive touchscreen enables smooth and straightforward adjustments.
Displayed Information:
Display Item | Details |
Type of Filament | Shows the currently selected filament type. |
Preset Temperature | Displays the recommended temperature for the filament. |
Remaining Drying Time | Shows the time left for the current drying cycle. |
The LCD touchscreen not only simplifies operation but also enhances precision, allowing users to efficiently manage the drying process for a wide range of filaments.
One-Key Preset and Customizable Temperature Settings of the Sovol SH02 :
The Sovol SH02 filament dryer box offers an innovative One-Key Preset function, allowing users to effortlessly switch between different filament types with a single touch. This feature automatically adjusts the drying temperature and duration for optimal results. Additionally, users can customize the temperature range (40°C – 70°C) and drying time (0 – 98 hours) to meet specific requirements, making it a versatile option among filament dryers.
Supported Filament Types and Optimal Settings:
| Filament Type | Drying Temperature | Drying Time |
|---|---|---|
| PLA | 50°C | 4 - 8 hours |
| PETG | 65°C | 4 - 8 hours |
| ABS | 60°C | 8 - 12 hours |
| TPU | 55°C | 4 - 8 hours |
| PVA | 50°C | 4 - 8 hours |
| ASA | 60°C | 8 - 12 hours |
| PA | 70°C | ≥12 hours |
| PP | 55°C | 4 - 8 hours |
| PC | 70°C | 8 - 12 hours |
Key Features:
- Automatic Optimization: One-key selection adjusts drying settings according to the filament type, saving time and ensuring quality—a feature praised in many Sovol SH02 filament dryer reviews.
- Custom Temperature Control: Easily adjust temperature and time for specific filament needs.
- Wide Range of Filament Compatibility: Supports 9 filament types, covering the most commonly used materials in 3D printing.
Versatile Compatibility and Safety Features of the Sovol SH02 Filament Dryer Box :
The Sovol SH02 filament dryer box offers versatile compatibility by accommodating a wide range of filament spool sizes, making it an excellent choice for diverse 3D printing setups.
Compatibility:
Spool Size | Capacity |
200 × 70 mm | Holds up to 2 rolls |
200 × 150 mm | Holds 1 roll |
The spacious interior allows for efficient drying of multiple spools or larger filament rolls, boosting productivity, especially for high-volume or professional printing projects.
Advanced Safety Features:
The Sovol SH02 filament dryer box incorporates Thermal Runaway Protection to ensure reliable and safe operation. This safety system triggers alarms in various scenarios to prevent damage or hazards:
- PTC Overheating: Alerts if the heating element temperature exceeds safe limits.
- Fan Malfunction: Notifies users if the cooling fan stops working, which could cause overheating.
- High Fan Outlet Temperature: Detects if the air exiting the dryer gets excessively hot, signaling a potential issue.
These robust safety features make the Sovol SH02 a trustworthy choice in the realm of filament dryers, ensuring peace of mind during long drying cycles
Restoring Original Printing Quality with the Sovol SH02 :
The Sovol SH02 filament dryer box is specifically designed to effectively remove moisture from 3D printing filaments, which is crucial for restoring the original printing quality. Moisture in filaments often leads to common printing defects such as stringing, blobs, and inconsistent extrusion. The Sovol SH02 addresses these issues, making it a popular choice in many Sovol SH02 reviews for improving filament condition and print results.
| Condition | Before Drying | After Drying |
|---|---|---|
| Print Surface | Strings, bobbles, and visible extrusion lines | Smooth and clean finish |
| Filament State | Moisture absorption, causing imperfections | Properly dried, ensuring consistent quality |
By maintaining an optimal dry filament environment, the Sovol SH02 filament dryer reduces print defects and helps you achieve smooth, clean, and defect-free outputs. This makes the Sovol SH02 filament dryer a reliable tool to preserve the quality and longevity of your filament
How to Use the Sovol SH02 Filament Dryer Box
Using the Sovol SH02 Filament Dryer Box is straightforward, thanks to its intuitive design and user-friendly features. Follow these steps for optimal filament drying:



Step 1: Turn on the Power
Plug in the Sovol SH02 and press the power button on the LCD touchscreen to turn it on.
Step 2: Loading Your Filament
Open the top cover and place your filament spool inside the dryer. Make sure it is securely positioned to avoid tangling during the drying process.
Step 3: Set the Temperature
Use the LCD touchscreen to select the appropriate drying temperature for your filament type. You can either use the One-Key Preset for automatic settings or manually adjust the temperature and drying time.



Step 4: Setting Temperature
Check the recommended drying temperature for your filament and set it accordingly. The Sovol SH02 supports a wide temperature range (40°C – 70°C) to accommodate various filaments.
Step 5: Enjoy Your Printing Fun
Once the temperature and time are set, let the Sovol SH02 do the work. The dryer will maintain consistent heat to remove moisture effectively.
Step 6: Perfect Model
After the drying process is complete, your filament will be ready for printing. Enjoy smoother, higher-quality prints with significantly reduced stringing and moisture-related issues.






Step 1: Turn on the Power
Plug in the Sovol SH02 and press the power button on the LCD touchscreen to turn it on.
Step 2: Loading Your Filament
Open the top cover and place your filament spool inside the dryer. Make sure it is securely positioned to avoid tangling during the drying process.
Step 3: Set the Temperature
Use the LCD touchscreen to select the appropriate drying temperature for your filament type. You can either use the One-Key Preset for automatic settings or manually adjust the temperature and drying time.
Step 4: Setting Temperature
Check the recommended drying temperature for your filament and set it accordingly. The Sovol SH02 supports a wide temperature range (40°C – 70°C) to accommodate various filaments.
Step 5: Enjoy Your Printing Fun
Once the temperature and time are set, let the Sovol SH02 do the work. The dryer will maintain consistent heat to remove moisture effectively.
Step 6: Perfect Model
After the drying process is complete, your filament will be ready for printing. Enjoy smoother, higher-quality prints with significantly reduced stringing and moisture-related issues.
Key Specs of the Sovol SH02 Filament Dryer Box
| Feature | Specification |
|---|---|
| Drying Capacity | Dual spool drying: 2 rolls of 1KG filament (200x70mm) or 1 roll (200x150mm) |
| Heating System | 150W PTC fast heater, reaches 50°C in 7 minutes and 70°C in 25 minutes |
| Temperature Range | Adjustable from 40°C to 70°C |
| Drying Time Range | 0 to 98 hours |
| One-Key Preset | Pre-configured settings for 9 filament types (PLA, PETG, TPU, ABS, ASA, PVA, PC, PA, PP) |
| Real-Time Monitoring | Temperature, humidity, fan rotation, and mainboard temperature |
| Safety Features | Overheat protection, fan failure alarm, auto shut-off at 130°C, resume below 90°C |
| Touch Screen | 3.9-inch LCD with backlit touch keys for easy operation |
| Sealing System | Triple ring sealing: Outlet, middle, and bottom seals for optimal moisture protection |
| Moisture Control | Moisture outlet with PTFE tubing to prevent reabsorption |
| Color | Metal Gray |
| Dimensions | 9.84 x 6.89 x 11.14 inches |
| Weight | 2.86 pounds |
Pros and Cons of the Sovol SH02 Filament Dryer Box :
Pros
Cons
- Efficient Dual Spool Drying: Can dry two 1KG filament spools simultaneously, saving time and space during filament preparation.
- Fast Heating: Quickly reaches optimal drying temperatures, minimizing waiting time.
- Versatile Temperature Control: Supports a broad temperature range from 40°C to 70°C, suitable for a variety of filament types.
- User-Friendly Interface: Features an intuitive LCD touchscreen with one-key presets, making operation simple and convenient.
- Smart Safety Features: Equipped with protections against overheating, fan malfunction, and thermal runaway for safe use.
- Improved Sealing: The triple ring sealing system ensures excellent moisture control, even when the device is unplugged.
- Multi-Filament Compatibility: Optimized presets for 9 common filament types including PLA, PETG, ABS, TPU, and more.
- Real-Time Monitoring: Displays current temperature, humidity, and system status to keep users informed.
- Compact and Lightweight: Easy to place on workbenches and transport as needed.
- Mixed Feedback on Durability: Some users report concerns regarding long-term reliability and build quality.
- Temperature Variability: A few users have experienced minor fluctuations in maintaining consistent drying temperatures.
- No Built-In Desiccant: For maximum drying efficiency, users may need to purchase desiccant separately.
- Noise During Operation: The internal fan can produce noticeable noise during extended drying cycles.
- Slightly Bulkier than Single-Spool Models: Due to its dual-spool capacity, the Sovol SH02 is larger than single-spool dryers. This may require a bit more space in your workspace.
Frequently Bought Together (Related Products) :
Conclusion :
The Sovol SH02 Filament Dryer Box is a highly efficient and versatile solution for maintaining optimal filament quality in 3D printing. This Sovol SH02 filament dryer offers a powerful 150W PTC fast heater, dual-spool drying capability, and an enhanced triple-ring sealing system that protects filaments from moisture, ensuring consistent, high-quality prints. Its user-friendly 3.9-inch touchscreen with one-key presets for nine common filament types simplifies operation, while real-time monitoring and advanced safety features provide peace of mind during long drying cycles.
In this Sovol SH02 review, the dryer stands out for its rapid heating, reliable moisture control, and ability to support multiple filaments simultaneously. Ideal for both hobbyists and professionals, the Sovol filament dryer is an excellent investment for improving print quality and reducing filament-related print failures. Overall, the SH02 filament dryer combines efficiency and versatility, making it a top choice for anyone serious about 3D printing.
Looking for the best filament dryers of 2025? Check out our top picks here.
FAQ :
How does the SH02 Filament Dryer Box work?
The SH02 Filament Dryer Box maintains optimal temperature and humidity levels by heating and sealing the environment. This ensures your filament stays dry and ready for consistent 3D printing performance.
What types of filaments are supported by the SH02?
The SH02 supports a wide range of filaments, including PLA, TPU, PETG, ABS, ASA, PVA, PC, PA, and PP. It features multiple preset temperature settings for different filaments and allows manual temperature adjustment.
How long does it take to dry filaments?
The SH02 Filament Dryer Box can reach a drying temperature of 70°C in just 25 minutes, allowing for quick and efficient filament drying. This ensures your filaments are always ready to use.
What safety features does the SH02 have?
The SH02 is equipped with multiple safety features, including PTC overheat protection, fan rotation monitoring, and real-time temperature monitoring, ensuring the device operates safely and reliably.
Does the SH02 require any maintenance?
The SH02 Filament Dryer Box requires minimal maintenance. Simply keep the interior clean and periodically check the seals to ensure the box remains airtight for optimal drying performance.
How do I use the Sovol SH02 Filament Dryer Box?
Using the Sovol SH02 is straightforward. Follow these steps:
- Turn on the power: Switch on the device to initiate the drying process.
- Loading your filament: Place your filament spool(s) inside the dryer box.
- Set the temperature: Adjust the drying temperature according to the filament type.
- Setting temperature: Use the one-key preset or manual settings to choose the ideal temperature.
- Enjoy your printing fun: Let the dryer work while you continue with your 3D printing tasks.
Perfect model: Once dried, your filament is ready to use, ensuring high-quality prints.
Why is the Sovol SH02 slightly bulkier than single-spool models?
The Sovol SH02 is designed to accommodate dual spools, allowing it to dry two 1KG filament rolls simultaneously. This dual-spool capacity results in a slightly bulkier design compared to single-spool filament dryers, requiring a bit more space.

