Filament Dryers and Dry Boxes: Best Options of 2026
It's crucial to keep 3D printer filaments dry whenever you can because they have a short shelf life. When purchasing filaments in bulk or using your 3D printer seldom, it is imperative to employ filament dryers and dehydration techniques to prevent material waste.
While it may be appealing to hang your filaments in your workstation or simply keep them around, unless you have immediate plans to use them, you shouldn't just leave filaments out on the counter as you would food. This post reviews the top 5 dryers for 3D printer filaments. You will also get to know a brief account of the relevance of filament dryers and their uses.
What is a Filament Dryer?
In a nutshell, filament dryers, also known as filament dehydrators, are made to prevent airborne moisture from harming and slowly deteriorating FDM 3D printer filaments. There are various types of 3D filament dryers, from specialized products you can buy online to straightforward techniques using everyday objects to keep filaments dry and smooth. The purpose of a filament drier is to dry off your filament, typically with the use of heat. Before we look at the best filament dryers available, let's have a look at the best software for creating 3D models for 3D printing.
Best Software for Designing 3D Models
Deciding to venture into the world of 3D printing can be a daunting task, especially when faced with the challenge of designing 3D models in the first place. It may not be intuitive to create designs suited specifically for 3D printing, but thankfully there are tools that have been designed with this in mind. SelfCAD is one such example, and we strongly recommend using it for all your 3D printing design needs.
SelfCAD not only simplify the process but also makes sure your designs meet all standard criteria for a successful 3D print job. You can get started with it easily and you don’t need to have previous experience in 3D modeling to use it. SelfCAD comes with interesting tools like freehand drawing and sketching useful in creating 3D models from scratch. There is also an image to 3D model useful in turning images to 3D models.
The software also comes with its own 3D slicer that users can use to slice the models and get the G-code to send to the 3D printer. Learn how the slicer of SelfCAD works in the video below.
Let’s now check out the leading filament dryers and their workings.
Best 3D Printer Filament Dryers and Dry Boxes of 2026
Below are the main filament dryers and dry boxes you need to know.
1. EIBOS Filament Dryer Box
Two filament spools can be held in a new model of filament dryer that was just released. To eliminate moisture from the filament, which will result in higher-quality and more successful 3D printers, take a look at the EIBOS Filament Dryer Box on Amazon. It has a lot of great reviews from actual 3D printer owners who adore it, and as of this writing, it has an Amazon rating of 4.4/5.0.
A few users have tested the temperatures shown on the dryer box, and they claim that the values are accurate. One of the key factors contributing to this device's popularity among users is its simplicity of use. For you to 3D print whilst your filament dries, it includes rollers and bearings built into the platform. The abundance of holes where your PTFE tube can be inserted to enable it to be placed in a variety of places is another excellent characteristic that products like these lack.
Since Nylon absorbs moisture from the environment so quickly, it is one of the most difficult fibers to handle and dry. The EIBOS Filament Dryer Box produced fantastic results for one customer living in a region with high humidity and a lot of rain. He previously attempted other filament drying boxes, but they didn't yield the same positive results. He was experiencing troubles with an outdated 2-year spool of nylon that wasn't securely wrapped in a bag.
It is dust-proof, properly sealed, and big enough to hold four rolls of 0.5KG filament, two rolls of 1KG filament, or one roll of 3KG filament. Even better moisture removal is achieved thanks to a built-in fan that circulates hot air throughout the whole dryer box.
You can buy it on Amazon.
2. Matterhackers PrintDry PRO
Anyone interested in 3D printing should check out the Matterhackers PrintDry PRO, which is an excellent deal at less than $250. The PrintDry PRO includes customizable temperature controls and can hold up to four rolls of 3D printing filament simultaneously, making it particularly suitable for PLA and ABS users. The PrintDry PRO works best as both a storage space and a dryer. The filament may be fed straight from the drying chamber to your 3D printer, removing the possibility of further exposure in the time between extraction and printing.
This translates to the ability to dry your filaments perfectly overnight in the PrintDry PRO and use them right away whenever you desire. You won't need to double-check the appropriate temperature for each filament type because the thermostat control system includes settings that are perfect for every kind of filament. Simply choose the filament type from the drop-down menu, and the PrintDry technology will know what to do. With its speed and moisture control settings, it's the best filament dryer for tougher filaments like Nylon, PETG, NylonX, and others.
It is available on the Official site of Matterhackers.
3. eSUN Aibecy eBOX
eSUN is a well-known brand in the 3D printing industry. They are renowned for producing high-quality filament and environmentally friendly polymers, and now they have also developed an excellent filament dryer. Desiccant packs can be placed in the pockets of this dry box to add additional drying. It works well throughout the entire process.
One user set out to investigate the cause of their repeated unsuccessful TPU prints. After some time, he discovered that TPU is quite hygroscopic, which means it readily absorbs moisture from its surroundings. After a while, not even the initial layers could be finished. He went out and purchased the eSun Aibecy eBox from Amazon, tested it, and the outcomes were unexpected. The spool of TPU completed its job after being placed in the dryer box, enabling him to effectively 3D print some awesome things regularly. He hasn't experienced any more filament moisture difficulties since getting this product.
The weight scale on the Aibecy eBOX is one distinctive feature that sets it apart. Your filament spool indicates how much material is remaining as you consume it by weight.
Additionally, a buyer on Amazon claims that it heats filaments reasonably well. However, many consumers wish it had a moisture sensor, just like the SUNLU Filament Dryer. This product shouldn't be used on filaments that are particularly resistant or gather a lot of moisture. Many people have had no luck with that. Second, the Aibecy eBOX performs below expectations, given its price point compared to the Polymaker PolyBox or the Sunlu Filament Dryer.
You can purchase it from Amazon.
4. Sunlu FilaDryer S1
An example of a product made by Sunlu is the FilaDryer S1, a filament dryer. Sunlu also produces 3D pens, filaments, and filament dryers. A single-spool filament dryer that can continuously dry filament, the Sunlu FilaDryer S1 has an integrated radiator and a full enclosure.
A small screen with a few buttons that may show the drying rate, room temperature, and target temperature is located around the FilaDryer S1. The chamber contains two small filament output holes so you may print with the material while it's heating up, in addition to a hinged transparent lid that covers the spool. A temperature of about 50 °C may be maintained inside this device, according to the manufacturer's 48-W heater. Even though it's not particularly hot, holding it for a long time can cause spools of virtually any material to evaporate their moisture.
Check out Just Vlad's YouTube video to see the Sunlu in action. A $30 more expensive option from Sunlu is the FilaDryer S2. A touchscreen with a user-friendly interface, 360° surround heating, and a 35–70 °C temperature range is included in the additional cost. It is a step up from the S1, which was already quite good.
Buy it on the Amazon.
5. Sovol SH01
Users looking for a space-efficient multi-filament drying system can choose Sovol's dual-spool filament dryer, the SH01. The drying box is a partially transparent container with an inbuilt heater that can continuously heat your filament to degrees between 40 and 50. The drying apparatus provided by the 3D printer manufacturer is comparable to Sunlu's choice. However, it is a little bit bigger, enabling you to fit and dry two to three spindles inside the container.
Several buttons on the box's front allow you to change the temperature, which is displayed on a small screen. You can use either 1.75-mm or 2.85-mm filament through the box's feeding holes.
You may get it on Amazon.
Conclusion
It's crucial to note, though, that drying filament only constitutes half of the battle—keeping it dry is just as critical. A dry box for filament is a storage option that keeps your filament contained in a dry space to stop the spool from moisture absorption from the surrounding atmosphere.
Vacuum-sealed containers, such as filament dryers, are frequently used to remove any moisture from the air and prevent further influx. The easiest approach to increase the longevity of your 3D filaments is to seal and store them in this manner.
Enjoy powerful modeling, rendering, and 3D printing tools without the steep learning curve.
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