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Top 5 Best Filament Dryers in 2024

The phase of filament drying is critical yet frequently neglected in 3D printing. The presence of moisture in the filament can cause problems with the print’s quality, including bubbles, distortions, and uneven extrusion. A device known as a filament dryer is designed to extract moisture from the filament, thereby guaranteeing that the printed object is of superior quality.

When looking for the best filament dryer, there are a few critical factors to consider. The first is the type of filament that the dryer can accommodate. Some dryers are designed specifically for PLA or ABS, while others can handle a wider range of materials. The size of the dryer is also an important consideration, as some models are designed for smaller spools while others can accommodate larger ones.

Another critical factor to consider is the drying method used by the dryer. Some models use heat to remove moisture, while others use desiccant or vacuum methods. Each method has its pros and cons, and the best choice will depend on your specific needs.

At the end of the day, a high-quality filament dryer can make all the difference in the quality of your 3D prints. We spent countless hours researching and testing various filament dryers to identify the ones that offer the best performance and value. In the following sections, we’ll share our top picks and give you all the information you need to make an informed decision.

Best Filament Dryers

We understand the importance of keeping your 3D printing filament dry to avoid any potential issues during the printing process. That’s why we’ve researched and tested various filament dryers to bring you our top picks. In this article, we’ll introduce you to the best filament dryers available on Amazon. Our selection is based on factors such as effectiveness, ease of use, and affordability. Whether you’re a beginner or a seasoned 3D printing enthusiast, we’re confident that our list will help you find the perfect filament dryer for your needs.

1. UNIDO Filament Dryer Box S2

Our Pick

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If you’re looking for a reliable filament dryer, we highly recommend the UNIDO Filament Dryer Box S2.

Pros

  • The SUNLU Filament Dryer Box S2 is perfect for keeping filaments strong and flexible, ensuring better print quality and fewer failed prints. This is important in saving time, money, and frustration by improving the reliability and consistency of your 3D printing process.
  • The touch screen display makes it easy to navigate and use. It allows you to easily switch between ℃ and ℉ and offers one-key recommended temperature settings for different types of filament.
  • The UNIDO Filament Dryer Box S2 is compatible with a wide range of filament brands and diameters, making it a versatile and convenient option for users who want to dry their filament.

Cons

  • The feed-out coil can be a bit finicky, so it may take some trial and error to get it set up correctly.
  • Some users have reported that the fan can be a bit noisy, but it’s not overly disruptive.
  • The design of the dryer could be improved in terms of stability, as it has been reported to tip over easily.

Overall, we think the UNIDO Filament Dryer Box S2 is a great investment for anyone who wants to improve the quality and consistency of their 3D prints. It’s easy to use, versatile, and reliable.

2. SUNLU Upgraded S2 Filament Dryer Box with Fan, 360° Heating, Real-time Humidity Display, 3D Printer Filament Dehydrator for PLA, TPU, PETG, ABS, ASA, 1.75 2.85 3.00mm, 1 Kg Spool

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If you’re looking for a reliable and efficient filament dryer, the SUNLU Upgraded S2 Filament Dryer Box is a worthy investment for your 3D printing needs.

Pros

  • The SUNLU S2 filament dryer box is equipped with a fan that increases internal air circulation, improving drying efficiency and ensuring improved print quality.
  • The 360° surround heating system ensures quick drying of your filament, saving you time and worry.
  • The real-time humidity detection and display, along with automatic standby after drying, helps you judge the drying effect and saves energy.

Cons

  • The top and bottom of the dryer box can be difficult to fit together, which may be frustrating for some users.
  • The price point may be higher than some other filament dryers on the market.
  • The large touch screen may be overwhelming for those who prefer more basic settings.

In our experience, the SUNLU S2 filament dryer box is a game-changer for 3D printing enthusiasts who want to achieve high-quality prints without worrying about filament moisture. The improved print quality and efficient drying process make it a worthwhile investment for serious 3D printing hobbyists.

The fan and 360° heating system work together to ensure quick and efficient drying of your filament, which saves time and reduces the risk of print quality issues caused by wet filament. The real-time humidity detection and display is a helpful feature that assists in judging the drying effect, while the automatic standby feature saves energy.

However, some users may find the top and bottom of the dryer box difficult to fit together, which may be frustrating. Additionally, the price point may be higher than some other filament dryers on the market, and the large touch screen may be overwhelming for those who prefer more basic settings.

Overall, we highly recommend the SUNLU Upgraded S2 Filament Dryer Box with Fan for its reliability, efficiency, and improved print quality.

3. SUNLU Filament Dryer Box with Fan

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If you’re looking for a reliable filament dryer that can help improve your 3D printing experience, the SUNLU Filament Dryer Box with Fan is definitely worth considering.

Pros

  • The personalized temperature setting allows you to adjust the temperature of the drying box according to different filament types, ambient temperature, humidity, and other factors.
  • The personalized drying time setting lets you manually set the drying time, which is useful for different types of filaments.
  • The design of two rollers inside the box allows you to print while drying, which is a convenient feature.

Cons

  • The dryer needs a feed hole at the back of the lid, which may require some modification.
  • The controls can be a little clunky to use, but they get the job done.
  • The humidity sensor doesn’t drop below 18% in some tests.

We’ve used this filament dryer for a while now, and we’re impressed with its performance. The temperature and time settings are customizable, which is a great feature for different types of filaments. We also appreciate the two rollers inside the box, which allow us to print while drying.

One thing to note is that the dryer may require some modification if you need a feed hole at the back of the lid. Additionally, the controls can be a little clunky to use, but they still get the job done. Finally, in some tests, the humidity sensor didn’t drop below 18%.

Overall, we recommend the SUNLU Filament Dryer Box with Fan for anyone looking for a reliable filament dryer that can help improve their 3D printing experience.

4. REBIRTH3D Filament Dryer

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If you’re looking for a filament dryer that will keep your filament dry and improve your 3D model, then the REBIRTH3D Filament Dryer is a great option.

Pros

  • The REBIRTH3D Filament Dryer is easy to use and can be used right out of the box. It’s simple to operate, and you can change the dry time and temperature setting with just a press of a button.
  • The filament dryer is compatible with filaments of different brands such as SUNLU, ERYONE, ESUN, GEEETECH, etc. It’s also perfectly suitable for all standard filament diameters: 1.75mm/2.85mm/3.00mm.
  • The design of two rollers in the box allows you to print while drying, improving printing efficiency and freeing your hands. Plus, the REBIRTH3D Filament Dryer is very quiet at work, less than 10db when running, so it won’t disturb your life and work.

Cons

  • The REBIRTH3D Filament Dryer may not reach the exact temperature or working time specified for certain filaments, but this does not matter much in general use.
  • The instructions that come with the dryer are not very clear, but it’s easy enough to figure out how to use it with a little trial and error.
  • The price of the REBIRTH3D Filament Dryer may be a bit high for some users, but it’s worth the investment if you’re looking to improve your 3D printing quality.

Overall, we highly recommend the REBIRTH3D Filament Dryer for anyone looking to improve their 3D printing quality. It’s easy to use, compatible with different filaments, and has a user-friendly design. Plus, it comes with good after-sales service and technical support.

5. eSUN eBOX Lite Upgraded Filament Dryer Box

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If you’re looking for a reliable and efficient way to keep your 3D printing filaments dry, the eSUN eBOX Lite Upgraded Filament Dryer Box is definitely worth considering.

Pros

  • The upgraded eBOX Lite Dryer Box is designed to keep filament in a constant temperature and humidity, especially for those hygroscopic filaments.
  • The efficient heating and even temperature of the dryer box can effectively reach 50℃-55℃ in just 2 hours and maintain constant temperature and humidity all the time.
  • The low noise and storage capacity of the dryer box make it easy to use and provide a quiet working environment.

Cons

  • The maximum capacity of the dryer box is 200*73mm, which may not be sufficient for larger spools of filament.
  • The temperature range of the dryer box is between 40℃ -55℃, which may not be suitable for all types of filaments.
  • The dryer box may not be able to recover all expired materials, and the results may vary.

We’ve been using the eSUN eBOX Lite Upgraded Filament Dryer Box for a while now, and we’re impressed with its performance. The dryer box is easy to use and has a transparent lid design that makes it easy to check the filament without opening the lid.

One of the best things about the dryer box is its efficient heating and even temperature. It can heat filament evenly and maintain a constant temperature and humidity all the time. This is especially important for hygroscopic filaments that can be easily affected by moisture.

Another great feature of the dryer box is its low noise and storage capacity. The upgraded long-life low-noise turbo fan provides a quiet working environment even at night. Also, the dryer box can provide a dry storage environment for filament.

However, there are some limitations to the dryer box. The maximum capacity of the dryer box is 200*73mm, which may not be sufficient for larger spools of filament. Additionally, the temperature range of the dryer box is between 40℃ -55℃, which may not be suitable for all types of filaments. Finally, the dryer box may not be able to recover all expired materials, and the results may vary.

Overall, we highly recommend the eSUN eBOX Lite Upgraded Filament Dryer Box for anyone looking for a reliable and efficient way to keep their filaments dry. It’s easy to use, efficient, and provides a quiet working environment.

Buying Guide

When it comes to choosing the best filament dryer, there are a few key features to consider. Here are some important factors to keep in mind:

Capacity

The capacity of the filament dryer is an important consideration, as it will determine how much filament you can dry at once. Look for a dryer with a capacity that meets your needs, whether you’re a hobbyist or a professional.

Temperature Control

Temperature control is another important feature to consider. Look for a dryer that allows you to adjust the temperature to meet the requirements of the filament you’re using. This will help ensure that your filament is dried properly and that you get the best possible results.

Filament Compatibility

Make sure that the filament dryer you choose is compatible with the types of filament you use. Some dryers are designed specifically for certain types of filament, so be sure to check the specifications before making a purchase.

Ease of Use

The ease of use of the filament dryer is also an important consideration. Look for a dryer that is easy to set up and use, with intuitive controls and clear instructions.

Build Quality

Finally, consider the build quality of the filament dryer. Look for a dryer that is well-built and durable, with high-quality materials and construction. This will help ensure that your dryer lasts for years to come and provides reliable performance.

By keeping these factors in mind, you can choose the best filament dryer for your needs and get the most out of your 3D printing projects.

Frequently Asked Questions

What are some popular filament dryers for 3D printers?

There are several popular filament dryers available in the market, including the EIBOS Cyclopes, PrintDry Filament Dryer PRO3, SUNLU Filament Dryer, and more. These dryers are designed to remove moisture from filaments and prevent them from getting brittle, which can lead to poor print quality.

What advantages does the EIBOS Cyclopes filament dryer offer?

The EIBOS Cyclopes filament dryer is a popular choice among 3D printing enthusiasts due to its compact size and efficient performance. It features a built-in timer and temperature control, which allows you to set the drying time and temperature according to your filament’s requirements.

What makes the PrintDry filament dryer PRO3 stand out?

The PrintDry Filament Dryer PRO3 is a high-end filament dryer that offers several advanced features, such as a large drying chamber, multiple temperature sensors, and a touchscreen display. It also comes with a vacuum-sealed storage container that keeps your filaments dry and free from dust and debris.

Is a filament dryer necessary for printing with Nylon?

Yes, a filament dryer is necessary for printing with Nylon as Nylon is highly hygroscopic and absorbs moisture from the air, which can cause it to become brittle and prone to cracking. A filament dryer can help remove moisture from Nylon filaments and prevent these issues.

What are some effective dry storage solutions for filaments?

Some effective dry storage solutions for filaments include vacuum-sealed bags, airtight containers, and desiccant packs. These storage solutions help prevent moisture from getting into the filaments and keep them dry and free from contaminants.

Can a food dehydrator be used to dry filaments effectively?

While a food dehydrator can be used to dry filaments, it is not recommended as it may not provide precise temperature and humidity control, which can lead to uneven drying and potential damage to the filaments. It is best to use a dedicated filament dryer for optimal results.

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