5 Best Filament Dryers & Filament Dehydrators to Boost your 3D Print Quality

In order to achieve top-quality 3D prints, the performance of the filament plays an important role and it depends on the filament’s dryness. The more the filament is dry the higher the 3d Print quality. Imperfect 3D prints are the result of printing done with moisture fialments.

In early days, it was very difficult to fix the filament moisture and 3D print imperfections issues. But as the technology progressed, some great solutions have emerged.

In this article, let us go through a list of best filament dryers that can solve filament moisture problems enabling superior print quality.

Let’s get on to the details of some good 3D printer filament dryers

1. JAYO Filament Dryer Box (Low Noise)

JAYO Filament dryer is one of the most silent filament drying system in the market today. Because of its noiseless operation, it is widely used in offices and home use where silence is a key.

The spool inside the JAYO Filament dryer is rotatable which makes the heat to get evenly distributed throughout the filament. This device has a maximum temperature range of 55degC and is not suitable for filaments that need high temperature drying.

With a 2-inch LCD Display, it is ideal drying device for most of the filaments like SILK, PETG,ABS, PLA.et

A downside of this device is it doesn’t contain the humidity sensor to measure the internal moisture.


  • Almost no noise
  • Suitable for most of the filament types with low drying temperature
  • Affordable price
  • Spool is rotatable


  • Absence of humidity sensor
  • Not suitable for filaments with High drying temperature

2. EIBOS Filament Dryer Box

EIBOS filament dryer box can hold 2 filament spools at a time and can remove the filament moisture enabling high quality 3D prints.

The 3D printer passionates who use this filament dryer has given a rating of 4.2/5.0 on the Amazon.

It has many features as listed below:

  • Temperature Control which is adjustable
  • Monitoring of Humidity
  • Heat setting timers (with 2 presets of 6 hours and variable upto 24 hours)
  • Multiple spool holding capacity
  • Recovers the Brittle filament
  • Built-in Blower Fan
  • PTC heater with 150W capacity

Many users say that this device is user friendly and accurate in its temperature. Inside temperature always matches with the displaying temperature.

Another useful feature of this filament dryer is the presence of rollers and bearings within the heating chamber. This allows it to simultaneously print while filaments are drying inside enabling the superior print quality. It also has numerous holes where PTFE tube can be inserted to get the filament out in any needed position.

The Nylon filament is known as moisture filament due to its high moisture absorption tendency. The EIBOS filament dryer has shown amazing results for one user while printing with Nylon filament in an environment even with rainy weather and humidity. 

Well, the same user was unable to get similar results while he used other filament dryers to dry the 2 year old Nylon filament which was exposed to air.

He has dried this Nylon Spool for 12 hours at the temperature of 70°C for the duration of 12 hours using the timer feature on EIBOS dryer instead of Oven.

It is dustproof and sealed well. The space is big enough to accomodate

  • Two 1KG Filament rolls or
  • Four 0.5KG Filament rolls or
  • One 3KG Filament roll.

There is also a blower fan that circulates the hot air in the whole dryer box that removes the moisture content.

EIBOS Filament Dryer is a go to device for filament moisture problems in a simple way. Get one from Amazon and test yourself.

3. SUNLU Filament Dryer

The SUNLU Dry Box is second on this list, and it’s a much cheaper alternative to the EIBOS Filament Dryer Box. The spool holder in this device can hold filaments of 1.75mm, 2.85mm and up to 3.0mm too.

As it is specifically designed for filament drying and has a variety of additional features that make it stand apart from other similar products.

This Dry Box not only stores and drys your filament spool when needed, but also has two holes for the filaments to pass through and get extruded simultaneously.

The SUNLU Dry Box avoids the filament damage by maintaining the constant temperature and heat.

This will ensure that your thermoplastic material remains at its highest quality.

It helps to remove moisture buildup on the filament surface, so that all your old filament materials can come back to life.

People who have purchased the SUNLU Dry Box say that the drying efficiency can make it look as good as new one.

Easy calibration of temperature settings is another blessing in this machine. There are 2 buttons which can handle all functionalities.

By default settings, it can dry upto six hours at 50°C  without interruption. This time can be varied with the help of a left-button.  

The SUNLU Dry Box is built to be transparent and allows you to check the remaining filament. People also love its quiet operation.

The main problem with this filament dryer is its inability to hold multiple spools of filament at a time. This is a major disadvantage compared to other dryers.

Another user suggested that they would prefer a manual dry box button to switch on/off the machine, as the current method of turning it on and off requires too many pressings.

Others have spoken highly of its effectiveness in drying PETG and nylon, while others also praised the excellent customer service. However, many people complained about the lack of a humidity sensor.

Amazon has the SUNLU Drybox Filament Dryer. Get it today

4. eSUN Aibecy eBOX

eSUN is a renowned brand when it comes to high quality resins and FDM filaments in the 3D printing realm. In addition to these, eSUN has now come up with a 3D printing filament dryer too. This is a great addition to their range of products making the lives of 3D nerds much better.

Many users reported that the 3D print quality after drying filaments using Aibecy eBOX is far better than before prints.

For long printing jobs this dryer does an amazing job in storing and drying the filaments. The print quality is much higher when this dry box is used for a prolonged period of time.


This filament can’t be efficient in drying those filaments with heavy moistures and stubbornness.

  • Low Performance: The Aibecy eBOX performance is significantly low as compared to SUNLU Filament Dryer or Polymaker Polybox for its price.
  • Less efficient for high moisture filaments: This dryer is at its best in retaining the dryness of an already dryed filament for long periods.
  • Less Weight: Most users love the Aibecy filament eBOX because of its light weight. Once the spool is inside the actual weight is the Filament weight while machine weight is insignificant.
  • Desiccant Packs: This device has side pockets that can hold desiccant packs that can greatly improve efficiency of the drying process.
  • Good for drying TPU filaments: This Aibecy eBox Dryer has shown great results for a user trying to print with TPU filament. Although TPU filament is highly hygroscopic in nature the results were mind blowing.

Filament moisture is no more a problem with Aibecy eBOX Filament dryer. Buy it from Amazon today.


No Humidity Sensor: The device doesn’t contain the humidity sensor as opposed to SUNLU filament dryer.

5. Chefman Food Dehydrator For Filament

If you are looking for a filament dryer with high storage capacity, more efficient drying, then Chefman Food Dehydrator is the go to device. This device provides outstanding performance and is more suitable for 3D passionates with sufficient hands-on experience than for beginners.

The Chefman Food 3D Filament Dehydrator comes with 9 trays that can slide in and out. If all the trays are removed, then there is huge internal space which can hold numerous filament spools horizontally and vertically.

When it comes to storage capacity, no filament dryer can compare with Chefman as it is the best food dehydrator for filament. Especially when you take out the trays, it can hold more filaments with multiple diameters as 1.75 and upto 3mm.

The device contains the Digital Display on its top which allows the user to set time and temperature. The timer is adjustable upto 19.5 hrs while temperature can be adjusted from 35°C to 70°C

Switching the device on/off is very easy with a simple power button as opposed to SUNLU filament dryer.

Transparent glass door is another blessing that allows the user to see what is happening inside. Glass door enables the user to carefully watch if any filament is melting due to high temperature and adjust it.

Chefman: The Best Filament Dehydrator in the segment

The chefman is the best dehydrator for filament which is glorified by the food lovers because of its user friendliness and food storage performance.

The only major drawback of this dehydrator is one cannot print simultaneously while filament dries. It’s possible to customize it by fitting some rollers, bearings by inserting holes.

It also doesn’t contain the humidity sensor which blocks users from measuring the inside moisture.

Buy Chefman Food Dryer if you are looking for a filament drying system with an outstanding performance and great storage space to dry more filaments in one go. Order from Amazon today.

How to Use Desiccant Dryer With To Keep Filament Dry?

If you are looking for a low cost solution for filament drying, then Desiccant can do the job. Once filament is packed with Desiccant, it prevents the filament from absorbing the moisture from the environment and maintains the dryness of the filament.

In order to use Desiccant, you need an airtight container that can hold Filament spools and Desiccant packs on sides and top. This prevents the moisture entering the filament.

Desiccant is the best bet for many 3D passionates nowadays. Use them if they meet your demand, otherwise go for a Filament dryer box.

In order to achieve best results using Desiccant bags its highly recommended to keep themselves dry. As they tend to absorb more moisture from the environment, it’s a good practice to dry them using an oven or dehydrator prior to loading them into an airtight container.

The Desiccant packs can withstand temeprature upto 135 degC and beyond that Tyvek Wrapping will soften and reduces their efficency.

Buy Desiccant Dryer packs from Amazon and test them.

Is Filament Dry Box Is Essential for PLA?

When using PLA, it’s not necessary to use a filament dry box to get an optimal print quality. However, there are chances of print failures, zits/blobs when PLA has high moisture in it due its hygroscopic nature.

PLA filament drying can revive its original characteristics such as bendability even after exposing to moisture for months. This allows the PLA to pass through a bowden tube without breakage.

The quality of the PLA filament determines how much moisture it absorbs and most of the time drying is not needed for high quality PLA. But drying the filament using a dryer/oven/ dehydrator can greatly improve the print results.

Be careful while using the oven as temperature may go beyond the filament melting value and spoil it.

The moisture absorption of PLA is also dependent on the climate and the humidity in the environment. Some places have higher humidity which demands the need for a Filament Dryer.

Bheema Shankar
Author | Website

I am Bheema Shankar. I have worked on SLS, CJP, DLP, SLA and FDM technologies at Think3D. Currently working as Process and application engineer at VEER-O-METALS PRIVATE LIMITED. I am always fascinated by the process of creating things layer by layer. This fascination led me to pursue a career in 3D printing technology. I am passionate about how 3D works and enjoy exploring new ways to improve the 3D printing process.

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