Sovol SH02 Filament Dryer Full Review: The Best Solution for Moisture-Free Filament

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 :

why you need a filament dryer sovol sh02 review

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 :

sovol sh02 review

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?

why choose sovol sh02 - full review

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:

FeatureSovol SH02Other Dryers
Heating SpeedReaches around 70% in just 15 minutesReaches only about 40% in 15 minutes
Temperature StabilityMaintains higher temperature levels consistentlyGradual heating, lower max temperature
Drying EfficiencyFaster moisture removal, preserving filament qualitySlower drying, risk of stringing
Print Quality After DryingSmooth texture, no stringingOften leaves stringing and rough surfaces
Optimal UseIdeal for continuous and long-duration dryingLimited 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

fast heating sovolsh02 review

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

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. 
seal performance sovol sh02 review

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 :

real time monitoring sovol sh02 review

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

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

LCD touch screen sovol sh02 review

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 :

easy to use sovol sh02 review

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 TypeDrying TemperatureDrying Time
PLA50°C4 - 8 hours
PETG65°C4 - 8 hours
ABS60°C8 - 12 hours
TPU55°C4 - 8 hours
PVA50°C4 - 8 hours
ASA60°C8 - 12 hours
PA70°C≥12 hours
PP55°C4 - 8 hours
PC70°C8 - 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 :

filament compatibility sovol sh02 review

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 :

before and after using sovol sh02 review

 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.

ConditionBefore DryingAfter Drying
Print SurfaceStrings, bobbles, and visible extrusion linesSmooth and clean finish
Filament StateMoisture absorption, causing imperfectionsProperly 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

FeatureSpecification
Drying CapacityDual spool drying: 2 rolls of 1KG filament (200x70mm) or 1 roll (200x150mm)
Heating System150W PTC fast heater, reaches 50°C in 7 minutes and 70°C in 25 minutes
Temperature RangeAdjustable from 40°C to 70°C
Drying Time Range0 to 98 hours
One-Key PresetPre-configured settings for 9 filament types (PLA, PETG, TPU, ABS, ASA, PVA, PC, PA, PP)
Real-Time MonitoringTemperature, humidity, fan rotation, and mainboard temperature
Safety FeaturesOverheat protection, fan failure alarm, auto shut-off at 130°C, resume below 90°C
Touch Screen3.9-inch LCD with backlit touch keys for easy operation
Sealing SystemTriple ring sealing: Outlet, middle, and bottom seals for optimal moisture protection
Moisture ControlMoisture outlet with PTFE tubing to prevent reabsorption
ColorMetal Gray
Dimensions9.84 x 6.89 x 11.14 inches
Weight2.86 pounds

Pros and Cons of the Sovol SH02 Filament Dryer Box :

Pros

Cons

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.

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.

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.

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.

 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.

 Using the Sovol SH02 is straightforward. Follow these steps:

  1. Turn on the power: Switch on the device to initiate the drying process.
  2. Loading your filament: Place your filament spool(s) inside the dryer box.
  3. Set the temperature: Adjust the drying temperature according to the filament type.
  4. Setting temperature: Use the one-key preset or manual settings to choose the ideal temperature.
  5. 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.

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.

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