Ever printed a perfect piece, only to see it warp or snap unexpectedly? That frustrating moment is often caused by something sneaky: moisture in your 3D printer filament. It’s like a tiny waterlogged sponge that ruins your carefully planned creations. Choosing a filament dryer can feel like navigating a maze, with so many different types and features, it’s easy to get confused and pick the wrong one for your needs.
But don’t worry! This post is here to help. We’ll break down exactly why keeping your filament dry is so important and guide you through the process of finding the best filament dryer for your printing adventures. By the end, you’ll understand what makes a good dryer and how to say goodbye to those annoying printing problems for good. Get ready to unlock smoother prints and more successful projects!
Our Top 5 Filament Dryer Recommendations at a Glance
| Image | Product | Rating | Links |
|---|---|---|---|
 |
2025 Official CREALITY Space Pi Filament Dryer Plus | 8.9/10 | Check Price |
 |
Comgrow 3D Printer Filament Dryer Box | 9.0/10 | Check Price |
 |
SUNLU Filament Dryer Box for 3D Printer Filament | 9.0/10 | Check Price |
 |
Creality Official Filament Dryer Box 2.0 with Fans | 9.2/10 | Check Price |
 |
SUNLU Official Filament Dryer S1 Plus | 8.5/10 | Check Price |
Top 5 Filament Dryer Detailed Reviews
1. 2025 Official CREALITY Space Pi Filament Dryer Plus
Rating: 8.5/10
The 2025 Official CREALITY Space Pi Filament Dryer Plus is here to help you get the best 3D prints. This dryer can handle two spools of filament at once, and it uses a special fast-heating system to dry your filament quickly and evenly. It’s designed to work with many different types of filament, so you can use it for all your printing projects.
What We Like:
- It holds two spools of filament at the same time.
- It has four holes and pipes to dry filament for two printers.
- The 360° hot-air heating dries filament evenly.
- It uses advanced PTC heating technology for consistent drying.
- There are one-key settings for 12 different filament types.
- The 4-inch LCD touch screen makes it easy to use and read.
- It works with 99% of FDM 3D printer filaments, including different diameters.
- Creality offers responsible after-sales service and lifetime technical support.
What Could Be Improved:
- The maximum temperature is 70°C, which might not be enough for some very high-temperature filaments.
- While it mentions “double drying design,” it’s still one unit, so true simultaneous independent drying might be limited.
Overall, this filament dryer is a fantastic tool for any 3D printing enthusiast looking to improve print quality and reliability. It offers great features and convenience for a wide range of users.
2. Comgrow 3D Printer Filament Dryer Box
Rating: 8.6/10
The Comgrow 3D Printer Filament Dryer Box is a must-have for any 3D printing enthusiast. It keeps your filament dry and ready for printing, preventing common issues like clogs and poor print quality. This box is designed to hold two spools of filament and works with most standard filament types and sizes.
What We Like:
- It has a large storage volume, fitting two 1kg spools of filament.
- It effectively removes moisture from PLA, ABS, and SILK filaments.
- The real-time temperature and humidity monitoring on the LCD screen is clear and easy to read.
- The adjustable temperature (40°~50°C) and time settings (6-12 hours) offer flexibility for different filament needs.
- The sealed design with a silicone outlet and snap button closure keeps moisture out when not in use.
- It’s compatible with 1.75mm and 2.85mm filament diameters.
- Comgrow offers good after-sales support for any issues.
What Could Be Improved:
- The machine automatically shuts down after 3 minutes if the work state isn’t displayed, which could be confusing for new users.
- The outlet needs to be open for moisture to drain during drying, and closed to maintain dryness, which requires user attention.
- Troubleshooting error codes E0 and E1 involves opening the box to check cable sockets.
Overall, the Comgrow Filament Dryer Box is an excellent tool for improving your 3D printing experience by ensuring your filament is always in optimal condition.
3. SUNLU Filament Dryer Box for 3D Printer Filament
Rating: 9.0/10
Say goodbye to printing problems caused by damp filament with the SUNLU S1 Plus Filament Dryer Box. This handy device helps remove moisture from your 3D printer filament, leading to better prints and fewer headaches. It works with most common filament sizes and brands, making it a versatile addition to your 3D printing setup.
What We Like:
- It stops printing failures caused by moisture.
- It is super easy to use right out of the box, with no assembly needed.
- You can set the drying time and temperature to fit your needs.
- It works with many different filament brands and sizes (1.75mm, 2.85mm, 3.00mm).
- It runs very quietly, so it won’t bother you.
- It lets you print while it dries filament, saving you time.
- It comes with a one-year warranty and good customer support.
What Could Be Improved:
- The maximum temperature is 55°C, which might not be enough for some very specific filament drying needs.
- While it’s quiet, some users might prefer even more advanced temperature control options.
This SUNLU filament dryer box is a simple and effective tool for any 3D printer enthusiast looking to improve their print quality. It’s a great way to ensure your filament is always ready for a perfect print.
4. Creality Official Filament Dryer Box 2.0 with Fans
Rating: 9.2/10
Tired of your 3D prints failing because of damp filament? The Creality Official Filament Dryer Box 2.0 is here to help! This upgraded box quickly heats up and uses a fan to spread warm air evenly, keeping your filament dry and ready for printing. It’s designed to solve common printing problems like stringing, clogging, and poor adhesion. Plus, it’s super easy to use and works with most common 1KG filament spools.
What We Like:
- Heats up fast and dries filament evenly with its 360° circulating fan.
- Helps fix common printing issues like stringing and poor adhesion.
- Super simple to set up and use, right out of the box.
- Lets you set custom drying times and temperatures for different filament types.
- Works with a wide range of 3D printing materials like PLA, PETG, ABS, and Nylon.
- Includes a clear display for real-time humidity and drying time.
- Built-in insulation keeps it warm and safe to touch while running.
What Could Be Improved:
- While it works great for drying, you’ll still need separate vacuum bags for long-term storage.
This filament dryer box is a fantastic tool for any 3D printing enthusiast looking for better print quality. Invest in it, and say goodbye to frustrating filament moisture problems.
5. SUNLU Official Filament Dryer S1 Plus
Rating: 9.2/10
Say goodbye to damp 3D printer filament with the SUNLU Official Filament Dryer S1 Plus. This white drying and storage box is designed to keep your filament in top shape, ensuring better prints every time. It uses a special hot-air circulation system to heat the filament evenly, making wet or brittle spools a thing of the past. This is a must-have for any serious 3D printing enthusiast.
What We Like:
- The hot-air circulation heating system makes sure the temperature inside the box is always just right for drying.
- You can set the temperature up to 55°C and the drying time up to 24 hours.
- It effectively removes moisture from filaments like PLA, PETG, and ABS, preventing common printing problems.
- It fits spools of 1.75mm, 2.85mm, and 3.00mm filament.
- The dryer is super quiet, operating at less than 10db, so it won’t disturb you.
- It’s easy to use with a simple one-click setting for filament types and easy adjustments for temperature and time.
- You can even print directly from the box while it’s drying your filament, which is super convenient.
- Regularly drying your filament with the S1 Plus can make it last longer and improve your print success rate.
What Could Be Improved:
- The maximum capacity for filament spools is 210mm in diameter and 89mm in height, so very large spools might not fit.
The SUNLU S1 Plus is a fantastic tool for any 3D printer owner. It keeps your filament dry and ready for printing, leading to better results and extended filament life.
The Ultimate Buying Guide: Get Your Filament Dry!
Are you tired of your 3D prints looking bumpy, stringy, or weak? The culprit might be your filament! Filament can soak up moisture from the air, like a sponge. This moisture causes problems when you print. A filament dryer is a tool that removes this moisture, making your filament like new again. This guide will help you choose the best one.
Key Features to Look For
When you shop for a filament dryer, keep these important features in mind:
- Temperature Control: The best dryers let you set the exact temperature. Different filaments need different drying temperatures. PLA likes it cooler, around 40-45°C. ABS needs it hotter, about 60-70°C. Precise control ensures you dry your filament perfectly without damaging it.
- Timer Function: A timer is super handy. It lets you set how long the filament needs to dry. You can walk away and do other things. The dryer will turn off by itself. This saves energy and prevents over-drying.
- Capacity: How much filament can it dry at once? Some dryers hold one spool. Others hold two or even four. Think about how much you print and how many different types of filament you use.
- Airflow Design: Good airflow helps dry the filament evenly. Look for dryers with vents or fans that move warm air all around the spool. This makes sure all parts of the filament get dry.
- Ease of Use: You want a dryer that’s simple to set up and operate. Buttons that are easy to push and a clear display are great. You shouldn’t need a degree to use it!
Important Materials
Filament dryers are usually made from tough plastics. These plastics can handle the heat without melting or warping. Some dryers have clear lids. This lets you see your filament drying inside. It’s a nice touch! The heating element inside is often made of metal, like nichrome wire. This gets hot to dry the filament.
Factors That Improve or Reduce Quality
- Good Temperature Control: This is a big one. If a dryer can’t hold a steady temperature, it can damage your filament. Too hot, and the filament can melt and stick together. Too cool, and it won’t dry properly.
- Even Heating: A dryer that heats unevenly will leave some parts of the filament still wet. This leads to poor print quality. Look for designs that spread the heat well.
- Poor Seals: If the dryer doesn’t seal well, moist air can get back inside. This makes the drying process useless. A tight-fitting lid is important.
- Cheap Materials: Dryers made with flimsy plastic might break easily. They might also not handle the heat as well. Investing in a well-built dryer saves you money in the long run.
User Experience and Use Cases
Using a filament dryer is easy. You pop your spool inside, set the temperature and time, and press start. It’s like putting food in a dehydrator.
Here are some common use cases:
- Reviving Old Filament: Have you had a spool of filament sitting around for months? It’s probably absorbed moisture. A dryer can bring it back to life!
- Printing with Hygroscopic Filaments: Some filaments, like PETG and Nylon, soak up water very quickly. Drying them before printing is essential.
- Improving Print Quality: Even new filament can benefit from a quick dry. This helps prevent stringing, blobs, and weak layers in your prints.
- Storing Filament: Some advanced dryers can keep filament dry after you’ve dried it. This is great if you don’t print very often.
Frequently Asked Questions (FAQ)
Q: Why do I need a filament dryer?
A: Filament soaks up moisture from the air. This moisture causes print problems like stringing, layer adhesion issues, and weak prints. A filament dryer removes this moisture.
Q: Can I dry filament in my oven?
A: It’s not recommended. Home ovens are not precise enough for the low temperatures needed for filament. You risk melting or damaging your filament.
Q: How long does it take to dry filament?
A: It depends on how wet the filament is and the dryer. It can take anywhere from 4 to 12 hours.
Q: What temperature should I use for PLA?
A: For PLA, a temperature between 40°C and 45°C (104°F to 113°F) is usually good.
Q: What temperature should I use for ABS?
A: ABS needs a higher temperature, around 60°C to 70°C (140°F to 158°F).
Q: How do I know if my filament is dry?
A: If your prints are suddenly much better, with less stringing and stronger layers, your filament is likely dry.
Q: Can a filament dryer damage my filament?
A: Yes, if the temperature is too high or it’s dried for too long. Always follow recommended drying times and temperatures for your filament type.
Q: Do filament dryers use a lot of electricity?
A: Most filament dryers use a moderate amount of electricity. They are often more energy-efficient than running a large oven.
Q: Can I print directly from the filament dryer?
A: Some dryers are designed so you can feed filament out while it’s still inside. This keeps the filament dry during printing.
Q: Are filament dryers expensive?
A: Prices vary. Basic models are affordable, while more advanced ones with more features can cost more. They are a good investment for serious 3D printing enthusiasts.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.