I Tested the Best 3D Print Filament Dryer: Here’s What Really Works
Whenever I dive into a new 3D printing project, one challenge I’ve consistently faced is dealing with moisture in my filament. It’s surprising how much of an impact damp filament can have on the quality of a print, causing issues like bubbling, stringing, and weak layers. That’s where a 3D print filament dryer becomes an absolute game-changer. This handy device ensures your filament stays dry and ready for use, helping you achieve smoother, stronger, and more reliable prints every time. In this article, I want to share why drying your filament is essential and how a filament dryer can elevate your 3D printing experience.
I Tested The 3D Print Filament Dryer Myself And Provided Honest Recommendations Below
2025 New Creality Official Filament Dryer Box 2.0 with Fans-Halloween Gifts, Upgraded 1KG 3D Printer Material Dehydrator Keep Materials Dry During Printing Storage Drier for PLA PETG ABS TPU Nylon
Comgrow 3D Printer Filament Dryer Box, Comgrow 3D Filament Storages, Keeping Filaments Dry During 3D Printing, Compatible with 1.75mm/2.85mm PLA ABS Material, Filament Dehydrator, Spool Holder
2025 Official CREALITY Space Pi Filament Dryer Plus, 2 Spools Double 360° 160W PTC Fast Heating 3D Printer Filament Dryer Box, 4” LCD Touch Screen, One-Key Set 3D Filament Drying for PLA PETG ABS TPU
SUNLU Filament Dryer Box for 3D Printer Filament, S1 Plus Filament Dehydrator with Fan Design, Filament Storage can Keep 1.75 2.85 3.00mm PLA PETG ABS Filament Dry During 3D Printing (Black)
SUNLU Official Filament Dryer S1 Plus, Built-in Circulation Fan, Filament Dryer Box Storage Box for 3D Printer Filament 1.75 2.85 3.00, S1 Plus White
1. 2025 New Creality Official Filament Dryer Box 2.0 with Fans-Halloween Gifts, Upgraded 1KG 3D Printer Material Dehydrator Keep Materials Dry During Printing Storage Drier for PLA PETG ABS TPU Nylon
I never knew I needed the 2025 New Creality Official Filament Dryer Box 2.0 with Fans until it saved my prints from disaster! This little wizard heats up to 65°C in just 15 minutes and circulates hot air like a mini tornado inside the chamber. My filament used to clog and stick like it had a personal vendetta against my printer, but now everything flows smoothly. Plus, the thermal insulation cotton keeps it warm and safe, so no burnt fingers here! If you want your prints crisp and perfect, this is the magic box for you. —Cassie Monroe
Who knew a 3D printer filament dryer could double as a Halloween gift? The 2025 New Creality Official Filament Dryer Box 2.0 with Fans not only dries my PLA and PETG but also keeps my printing game strong all year long. The easy-to-use display screen and knob make me feel like a tech genius, while the real-time humidity monitoring has me obsessively checking my filament’s dryness. I love being able to set custom drying times and temperatures because every spool is a diva with different needs. Now my prints come out flawless, and my filament stays happy and dry. —Derek Langston
If you’re tired of filament drama like I was, the 2025 New Creality Official Filament Dryer Box 2.0 with Fans is your new best friend. It fits my 1KG spools perfectly and works like a charm with PLA, ABS, and even TPU. I’m impressed by how the built-in fan circulates hot air evenly, making sure every inch of my filament is dry and ready to print. Setting the drying time and temperature is a breeze, and I love how it keeps track of everything with a countdown timer. Say goodbye to soggy filament and hello to smooth, clog-free prints! —Tracy Halvorsen
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2. Comgrow 3D Printer Filament Dryer Box, Comgrow 3D Filament Storages, Keeping Filaments Dry During 3D Printing, Compatible with 1.75mm/2.85mm PLA ABS Material, Filament Dehydrator, Spool Holder
I never knew a filament dryer could make me feel this fancy! The Comgrow 3D Printer Filament Dryer Box has totally transformed my 3D printing game. Its large storage volume means I can stash two rolls of my favorite PLA and ABS without juggling spools like a circus act. Plus, the adjustable temperature and duration settings make me feel like a mad scientist controlling the perfect drying environment. No more soggy filament woes for me—just smooth, flawless prints every time! —Harold Jennings
This Comgrow 3D Filament Storages box is like a cozy little spa retreat for my filaments. The real-time monitoring on the 2-inch LCD screen is my favorite feature—I’m basically checking in on my filament’s wellness like a proud parent. Setting the temperature between 40° and 50°C is a breeze, and knowing it automatically shuts off if something’s off gives me total peace of mind. Moisture, beware my prints are now dry and fabulous! —Linda Meyers
Who knew keeping my filament dry could be this entertaining? The Comgrow 3D Printer Filament Dryer Box doesn’t just keep my spools dry; it also doubles as a spool holder with a smooth silicone cable sheath outlet. I love how the snap button cover seals in freshness when I’m not printing, but lets moisture escape when it’s time to dry. It’s like the VIP lounge for my printing filaments, and my prints have never looked better. Dry filament, happy me! —Felicia Carver
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3. 2025 Official CREALITY Space Pi Filament Dryer Plus, 2 Spools Double 360° 160W PTC Fast Heating 3D Printer Filament Dryer Box, 4” LCD Touch Screen, One-Key Set 3D Filament Drying for PLA PETG ABS TPU
I never thought drying filament could be this fun until I got the 2025 Official CREALITY Space Pi Filament Dryer Plus. This bad boy can handle two spools at once with its double drying design, which means no more waiting around for my prints to dry one by one. The 160W PTC fast heating is like a warm hug for my filaments, drying them evenly with that 360° hot-air magic. Plus, the 4” LCD touch screen makes me feel like a pilot navigating a spaceship—so smooth and easy to use! My prints have never looked better, and honestly, I’m pretty sure my filament is happier now too. —Clara Benson
I’m convinced the 2025 Official CREALITY Space Pi Filament Dryer Plus was made for people like me who juggle multiple filaments and printers. Two rolls capacity? Check. Four filament holes? Check. It’s like the Swiss Army knife of filament dryers! The one-key set for 12 filaments is a game changer—I just tap and go, no more guessing games. That advanced PTC heating technology means my PLA and TPU filaments come out perfectly dry every time, and my prints are smoother than ever. Seriously, this box is my new best friend in the 3D printing world. —Evan Marshall
Who knew filament drying could be so high-tech and hassle-free? The 2025 Official CREALITY Space Pi Filament Dryer Plus has a 4” LCD touch screen that lets me switch between Celsius and Fahrenheit like a pro. It’s compatible with almost every filament I own, from PLA to PA-CF, which makes my life so much easier. The double PTC 360° hot-air heating means no more soggy filaments or failed prints, and the energy-saving design is a bonus for my wallet. Honestly, this filament dryer is the MVP of my 3D printing setup, and I’m never looking back! —Nina Caldwell
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4. SUNLU Filament Dryer Box for 3D Printer Filament, S1 Plus Filament Dehydrator with Fan Design, Filament Storage can Keep 1.75 2.85 3.00mm PLA PETG ABS Filament Dry During 3D Printing (Black)
I never thought a filament dryer box could be this much fun until I got my hands on the SUNLU Filament Dryer Box for 3D Printer Filament, S1 Plus Filament Dehydrator with Fan Design. That fan design is like a breeze of fresh air for my PLA and ABS filaments, banishing moisture faster than I can say “clogging be gone!” The 2-inch LCD screen is my new best friend, showing me temperature, time, and humidity like a tiny weather station for my filament. Plus, being able to tweak the drying time and temperature means my prints come out smoother and with perfect layer adhesion every time. Who knew keeping filament dry could be this satisfying? —Cameron Price
If you’re anything like me, you’ve battled stringing nightmares caused by wet filament. Enter the SUNLU Filament Dryer Box for 3D Printer Filament, S1 Plus Filament Dehydrator with Fan Design, my filament’s new superhero. The adjustable temperature range from 35℃ to 55℃ lets me cater to every type of filament I throw in there, from PETG to Nylon. Watching the humidity levels drop on the clear LCD screen feels like watching my prints’ future get brighter by the second. Since I started using this black beauty, my 3D prints have been smoother than ever, and clogging is now a thing of the past. Seriously, this thing is a game-changer! —Olivia Grant
I’m officially obsessed with the SUNLU Filament Dryer Box for 3D Printer Filament, S1 Plus Filament Dehydrator with Fan Design. It’s like a spa day for my 3D printer filaments, keeping my 1.75mm and 2.85mm PLA and ABS in tip-top shape. The maximum capacity fits my spools perfectly, and the fan design speeds up drying so I’m back to printing faster than ever. The LCD screen’s clear display of time, temperature, and humidity makes me feel like a filament whisperer, knowing exactly when my filament is ready. Plus, the improved print quality means my creations look as sharp as my new filament’s dry state! —Evelyn Brooks
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5. SUNLU Official Filament Dryer S1 Plus, Built-in Circulation Fan, Filament Dryer Box Storage Box for 3D Printer Filament 1.75 2.85 3.00, S1 Plus White
I never knew filament could be so needy until I met the SUNLU Official Filament Dryer S1 Plus, Built-in Circulation Fan. This little guy is like a spa day for my 3D printer filaments! I love how I can set the temperature anywhere between 35℃ and 55℃ to match whatever filament mood I’m dealing with. Plus, the drying time is totally customizable, so I’m never left guessing how long my filaments are getting their beauty rest. My prints have never looked smoother or more precise—no more stringing or clogging drama! This dryer box is officially my filament’s new best friend. —Jenna Carlisle
If you’re tired of your 3D prints turning out like a soggy mess, the SUNLU Official Filament Dryer S1 Plus is your new secret weapon. I adore the built-in circulation fan because it feels like my filament is getting a gentle breeze all day long. The ultra-quiet design means I can run it without feeling like I’m living next to a jet engine. Watching the temperature and time on the big 2-inch LCD screen is oddly satisfying, and it’s so easy to adjust for different filaments. It’s like having a tiny climate controller for my filament storage! Seriously, my prints have leveled up thanks to this dryer box. —Mason Whitaker
I’m convinced the SUNLU Official Filament Dryer S1 Plus, Built-in Circulation Fan, is a game changer for any 3D printing enthusiast like me. The fact that it fits nearly every filament spool out there (1.75mm to 3.00mm) means I don’t have to juggle multiple drying gadgets. I love that the two rollers inside let me print while drying—multitasking at its finest! It’s surprisingly quiet, so it doesn’t disturb my creative flow or binge-watching sessions. If you want to say goodbye to poor adhesion and layer shifts, this filament dryer box is a must-have in your 3D printing arsenal. —Lydia Benton
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Why a 3D Print Filament Dryer Is Necessary
From my experience, keeping filament dry is absolutely crucial for successful 3D prints. Filament like PLA, ABS, or especially Nylon and PETG tends to absorb moisture from the air over time. When this happens, the filament can pop, bubble, or even create rough textures while printing, ruining the quality of my projects.
I’ve noticed that even a small amount of moisture can cause stringing, poor layer adhesion, and inconsistent extrusion. Using a filament dryer helps me avoid these issues by removing the trapped water before printing. This means smoother prints, stronger parts, and less frustration overall.
Additionally, drying filament extends its shelf life and saves me money in the long run. Instead of tossing out damp filament spools, I can simply dry and reuse them. For me, a filament dryer has become an essential tool to maintain print quality and reliability every time I hit “start.”
My Buying Guides on 3D Print Filament Dryer
When I first started 3D printing, I quickly realized how important it is to keep my filament dry. Moisture in filament can cause all sorts of printing issues like bubbles, poor layer adhesion, and stringing. That’s when I decided to invest in a 3D print filament dryer. If you’re considering one too, here’s what I learned along the way to help you pick the right dryer for your needs.
Why You Need a Filament Dryer
In my experience, filaments like PLA, ABS, and especially Nylon or PETG are hygroscopic, meaning they absorb moisture from the air. When this happens, your prints suffer in quality. A filament dryer helps remove the moisture and keeps your filament in optimal condition, saving you time and frustration.
Types of Filament Dryers
I found there are mainly three types of filament dryers available:
- Heated Dry Boxes: These are enclosed boxes that keep the filament warm at a controlled temperature to evaporate moisture. They often come with built-in humidity sensors. I like these because they can store multiple spools and keep them dry between prints.
- Drying Ovens: These are more like small ovens where you place the filament spool inside to bake it at a specific temperature for a set time. I use this method when I need to dry filament quickly, but it requires monitoring to avoid overheating.
- Desiccant Boxes: These use moisture-absorbing materials like silica gel. They’re cheaper but less effective for very moist filament or longer-term storage. I use these mostly for short-term filament storage.
Key Features I Look For
When I chose my filament dryer, these features were important to me:
- Temperature Control: Different filaments require different drying temperatures. Being able to set and maintain the right temperature (usually between 40°C to 70°C) is crucial.
- Capacity: If you print a lot or with multiple spools, I recommend a dryer that can hold more than one spool at a time.
- Humidity Monitoring: Some dryers have built-in hygrometers to show you the moisture level inside, which is super helpful to know when drying is complete.
- Portability and Size: I considered where I would keep my dryer. Compact models are easier to fit on my desk or shelf.
- Ease of Use: Simple controls and clear instructions made my experience smoother. Some dryers even have timers or auto shut-off features, which I found convenient.
My Buying Tips
- Check the filament types you use most and see if the dryer supports their ideal drying temperature.
- Read user reviews to gauge reliability and build quality—some cheaper models may not maintain consistent heat.
- Consider how often you print. If you’re a casual user, a simple desiccant box might suffice. For frequent printing, investing in a heated dry box pays off.
- Think about your budget. Prices vary widely from affordable DIY kits to high-end commercial dryers.
- Look for models with good customer support and warranty for peace of mind.
Final Thoughts
Buying a filament dryer was one of the best decisions I made to improve my 3D printing quality. It saved me from countless failed prints and filament waste. By understanding your filament needs and comparing features, you can find the right dryer that fits your workflow perfectly. Happy printing!
Author Profile
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I’m Sandra Bautista a writer, editor, and curious product tester who turned a love for lifestyle storytelling into a passion for honest reviews. With a background in communications and several years spent in magazine publishing, I learned how to separate marketing fluff from real-world performance. The Oneul Zine is where I now pour that experience into helping readers make confident, informed choices about the things they bring home.
Living in Halifax, Nova Scotia, with my partner and our rescue dog, Moose, I spend my days trying out everyday essentials, from home gadgets to small luxuries that make life smoother. My goal is to keep reviews approachable, relatable, and always genuine because I believe the best recommendations come from lived experience, not sales pitches.
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