Moisture can cause stringing, popping, weak layers, and inconsistent extrusion—especially with hygroscopic materials such as Nylon, TPU, and PETG. The right filament dryer helps restore usable filament and keeps spools ready to print.
We selected 10 filament dryers spanning compact single-spool designs, multi-spool storage boxes, and higher-temperature models. Use the guide below to compare capacity, temperature control, heating performance, and everyday usability.
Best 10 Filament Dryers Picks for 2026
Best Overall Control
- 35–70°C temperature range
- 0–99 hour timer and rotating spindle
- Supports 1.75mm, 2.85mm, and 3.00mm filament
Best For: Flexible, single-spool drying and printing
Best Large-Capacity Budget Option
Comgrow SH01 Filament Dryer Box
- Holds two 1kg spools
- Temperature and humidity display
- Sealed enclosure for storage and printing
Best For: Two-spool storage for common filament materials
Best Fan-Assisted Option
- Fan-assisted moisture removal
- Displays temperature, time, and humidity
- Supports 1.75mm, 2.85mm, and 3.00mm filament
Best For: Routine single-spool drying while printing
Best for High-Volume Printing
- Holds four 1kg or two 2kg spools
- Dual 200W chambers reach 85°C
- Sealed storage helps prevent re-absorption
Best For: Multi-spool and advanced-material workflows
Best Value Filament Dryer
- Dries and stores one or two spools
- Displays internal temperature and humidity
- Built-in fan supports even heating
Best For: Compact, everyday filament drying and storage
Best for Multi-Printer Setups
- Dries up to four 1 kg spools
- Reaches temperatures up to 70°C
- Three fans provide 360° air circulation
Best For: High-volume and multi-printer workflows
Best Dual-Chamber Filament Dryer
- Two independently controlled drying chambers
- Holds up to four 1 kg spools
- Automatic humidity-based drying mode
Best For: Mixed materials and advanced multi-spool workflows
Best Overall
Creality Space Pi SE Filament Dryer
- 45–65°C adjustable drying range
- 360° heated-air circulation
- Fits one 1KG spool
Best For: Everyday single-spool filament drying
Best for Smart Controls
Creality Space Pi Touchscreen Filament Dryer
- 3.7-inch LCD touch screen
- 0–48-hour timer and power-outage memory
- Presets for 12 filament types
Best For: Preset-driven, unattended single-spool drying
Best Overall Control – SUNLU Filament Dryer S2
The SUNLU S2 is a versatile choice among filament dryers for users who want broad material compatibility, adjustable settings, and the ability to dry filament while printing. Its large touchscreen and higher temperature ceiling make it practical for routine maintenance and reviving damp spools.
Best For: Makers who want flexible temperature and drying-time control for PLA, TPU, PETG, ABS, and similarly sized filament spools.
Pros:
- Adjustable temperature from 35–70°C and drying time from 0–99 hours.
- Built-in spindle rotates filament for more even drying.
- Works with 1.75mm, 2.85mm, and 3.00mm filament.
- Can function as a spool holder during printing and has a translucent lid.
Cons:
- Its single-spool design offers less capacity than multi-spool dryers.
- The maximum 70°C setting may not suit users seeking higher-temperature drying for some advanced materials.
The S2 stands out for its combination of usable capacity, simple touchscreen controls, and wide filament-size support. It is a strong all-around option when controlled drying and printing directly from the dryer are priorities.
Best Large-Capacity Budget Option – Comgrow SH01 Filament Dryer Box
The Comgrow SH01 is one of the more storage-focused filament dryers, with room for two 1kg spools and a sealed enclosure. It is designed to dry filament while printing, though its 50°C maximum makes it better suited to common lower-temperature materials than demanding high-temperature applications.
Best For: Users who need enclosed storage and simultaneous access to two standard 1kg spools for PLA, ABS, or similar filament.
Pros:
- Stores two standard 1kg spools in its large interior.
- Includes temperature and humidity monitoring on a 2-inch LCD screen.
- Sealed cover, silicone cable outlet, and Teflon tube help limit moisture exposure.
- Supports 1.75mm and 2.85mm filament while drying during printing.
Cons:
- The adjustable temperature range is limited to 40–50°C.
- Drying-time settings are limited to 6–12 hours.
- The vent must be opened during drying and closed afterward for storage.
The SH01 makes the most sense when spool capacity and enclosed storage matter more than high-temperature drying. Its monitoring and sealing features add convenience, but the limited heat range narrows its material flexibility.
Best Fan-Assisted Option – SUNLU S1 Plus Filament Dryer
The SUNLU S1 Plus is a straightforward choice among filament dryers for users who want fan-assisted moisture removal and live readings. Its 35–55°C range supports common materials, while its compact spool capacity and compatibility with several filament diameters make it easy to integrate into a typical printing setup.
Best For: Everyday drying and storage of PLA, PETG, ABS, TPU, Nylon, and PA filament while printing.
Pros:
- Fan design helps speed the discharge of excess moisture.
- Displays temperature, time, and humidity on a 2-inch LCD screen.
- Supports 1.75mm, 2.85mm, and 3.00mm filament.
- Adjustable temperature range of 35–55°C.
Cons:
- The 55°C maximum is lower than some competing filament dryers.
- Its stated capacity is limited to one spool up to 210×89mm.
- The notes do not specify a broad drying-time range.
The S1 Plus is a practical fit for routine filament care, particularly when humidity monitoring and fan-assisted drying are more important than high-temperature capability. It offers broad diameter compatibility in a relatively focused design.
Best for High-Volume Printing – Creality Space Pi X4
The Creality Space Pi X4 is built for users who need substantially more capacity than typical filament dryers. Its dual heating chambers can hold four standard 1kg spools or two large 2kg spools, while the 85°C maximum expands its usefulness to a wider range of materials.
Best For: High-volume printing setups that need multi-spool drying, storage, and support for advanced materials.
Pros:
- Holds four standard 1kg spools or two 2kg spools.
- Dual independent 200W heating chambers reach up to 85°C.
- Supports 1.75mm and 2.85mm filament.
- Silicone-sealed storage helps reduce moisture re-absorption, with an illuminated viewing window.
Cons:
- Its larger capacity makes it less space-efficient for occasional users.
- The supplied notes do not provide a detailed timer range.
- Dual-chamber hardware may be more than needed for single-spool printing.
The Space Pi X4 is the strongest capacity-oriented option in this group. Choose it when multiple spools, higher-temperature drying, and moisture-controlled storage justify a larger dryer footprint.
Best Value Filament Dryer – Sovol SH01
The Sovol SH01 is a practical filament dryer for users who want moisture control without a large footprint. Its built-in fan promotes even heating, while adjustable 40°C, 45°C, and 50°C settings and 6- to 12-hour timers support common PLA, PETG, ABS, and TPU drying needs.
Best For: Makers who need a compact dryer and storage box for one or two spools.
Pros:
- Holds two spools under 70 mm wide or one spool under 150 mm wide.
- Real-time temperature and humidity display.
- Silicone and PTFE seals help protect filament during unpowered storage.
- Built-in fan helps distribute heat more evenly.
Cons:
- Maximum setting is 50°C.
- Desiccant bags are not included.
- Heating performance may be affected in rooms below 16°C.
The SH01 is a straightforward choice for routine filament maintenance, especially when two-spool capacity and sealed storage matter more than high-temperature drying.
Best for Multi-Printer Setups – SUNLU S4 Four-Spool Dryer
The SUNLU S4 is a high-capacity filament dryer designed for larger workflows. It holds four 1 kg spools, reaches up to 70°C, and uses three circulation fans for more consistent heating across the chamber.
Best For: Multi-color projects, several 3D printers, and users who need to dry four spools at once.
Pros:
- Four-spool capacity supports simultaneous drying.
- Supports common 1.75 mm, 2.85 mm, and 3.0 mm filament diameters.
- Temperature reaches up to 70°C for broad filament compatibility.
- Includes a 350W PTC heater, backup thermal switch, and software monitoring.
Cons:
- Larger and heavier than compact filament dryers.
- Its 10.56-pound weight may make placement less convenient.
- Large capacity may be unnecessary for occasional single-spool users.
Choose the S4 when throughput is the priority. Its four-spool layout and multi-printer compatibility make it better suited to active workshops than small desktop setups.
Best Dual-Chamber Filament Dryer – Comgrow SH03 Four-Spool Dryer
The Comgrow SH03 is a filament dryer for users who want independent control over multiple spools. Its two chambers can hold up to four 1 kg rolls, with separate temperature controls, automatic humidity-based drying, and adjustable temperatures from 45°C to 85°C.
Best For: Advanced users drying different filament types simultaneously or managing a busy print setup.
Pros:
- Dual chambers provide independent temperature and power control.
- Supports up to four 1 kg spools with separate output tubes.
- Automatic mode starts drying above the humidity threshold and enters storage mode afterward.
- Includes temperature, fan, PTC, and control-board monitoring protections.
Cons:
- More complex than a basic single-chamber dryer.
- Its higher-temperature capability may be excessive for simple PLA drying.
- The supplied notes do not specify the unit’s overall dimensions or weight.
The SH03 stands out for flexibility: separate chambers, automatic humidity control, and an 85°C maximum make it a strong fit for users working with varied materials and longer drying cycles.
Best Overall – Creality Space Pi SE Filament Dryer
The Creality Space Pi SE is a practical choice among filament dryers for makers who want straightforward drying for one 1KG spool at a time. Its 45–65°C temperature range, circulating hot air, humidity display, and adjustable timer cover common PLA, PETG, ABS, ASA, TPU, and similar materials.
Best For: Everyday users who need a compact, easy-to-operate dryer for a single spool.
Pros:
- PTC heating and 360° airflow can reach 65°C within 15 minutes.
- Adjustable temperature from 45–65°C and drying time from 0–24 hours.
- Supports 1.75mm and 2.85mm filament and most 1KG spools.
- Display shows humidity and countdown drying time.
Cons:
- Holds one 1KG spool at a time.
- Maximum temperature is lower than some high-temperature dryers.
Choose this model if simple controls and broad everyday material compatibility matter more than multi-spool capacity or advanced presets.
Best for Multi-Spool Printing – Sovol SH03 Four-Spool Filament Dryer
The Sovol SH03 stands out among filament dryers when you need to dry or feed several spools at once. It has four-spool capacity, two independently controlled chambers, automatic moisture venting, and preset programs for 10 filament types.
Best For: Multicolor setups, multiple printers, and users who regularly handle several filament materials.
Pros:
- Holds up to four 1KG spools and provides four PTFE filament holes.
- Two chambers can run independently at different temperatures.
- Dual 200W PTC heaters reach up to 85°C and heat quickly.
- Preset settings cover 10 filament types, including PLA, PETG, ABS, PA, and PP.
Cons:
- Its 3.6kg weight is substantially higher than single-spool options.
- Four-spool capacity may be unnecessary for occasional users.
The SH03 is the most capable option here for higher-volume workflows, especially if you want one chamber drying while another stores filament without power.
Best for Smart Controls – Creality Space Pi Touchscreen Filament Dryer
The Creality Space Pi combines 360° heated-air circulation with a touch interface and extended timer, making it one of the more feature-rich filament dryers for one or two common spool diameters. It supports temperatures from 45–70°C, stores settings after a power outage, and includes one-key programs for 12 filament types.
Best For: Users who want touch controls, material presets, and longer unattended drying cycles.
Pros:
- 110W PTC heater and fan provide uniform 360° hot-air circulation.
- 3.7-inch LCD touch screen supports Celsius and Fahrenheit.
- Temperature adjusts from 45–70°C with a 0–48-hour timer.
- Supports 1.75mm and 2.85mm filaments, including PLA-CF and PA-CF.
Cons:
- Designed for one spool rather than multi-spool drying.
- Its maximum temperature is below the Sovol SH03’s 85°C limit.
This Space Pi is a strong fit when convenient presets and power-outage memory are priorities, while its single-spool design keeps the setup relatively focused.
How We Picked the Best Filament Dryers
We focused on practical features that affect drying performance and day-to-day 3D printing: spool capacity, maximum temperature, heating design, sensor accuracy, compatibility with common filament sizes, and the ability to print directly from the box. We also considered whether each dryer is better suited to occasional moisture recovery, continuous storage, or several active spools.
Because filament needs vary, no single model is ideal for every user. Lower-temperature dryers can work well for PLA and basic storage, while Nylon and other moisture-sensitive materials generally benefit from higher heat, dependable temperature control, and longer drying cycles.
Quick Comparison
| Type | Best For | What to Check |
|---|---|---|
| Single-spool dryer | Beginners and occasional drying | Spool fit, temperature range, noise, and print-through access |
| Two-spool dryer | Most home 3D printing setups | Independent control, chamber size, and even heating |
| Four-spool dryer | Multi-material or higher-volume printing | Capacity, heat distribution, power draw, and usable spool clearance |
| High-temperature dryer | Nylon, ABS, and other demanding materials | Maximum temperature, sensor precision, and safe operating time |
Key Buying Factors for Filament Dryers
Temperature Range and Control
Check that the dryer reaches the temperatures recommended for your materials. PLA typically needs less heat than Nylon, while TPU, PETG, and ABS may require different settings. Adjustable controls and a dependable sensor are more useful than a high maximum temperature alone.
Capacity and Spool Compatibility
Confirm the chamber accepts your spool diameter, width, and weight. A four-spool unit is useful only if your spools fit comfortably and the dryer can heat them evenly. Compact models are easier to place beside a printer but may limit larger or specialty spools.
Drying Performance and Airflow
Look for active heating, consistent airflow, and a design that helps moisture escape. Dual chambers or multiple heating elements can improve capacity, but they may also increase size and energy use.
Printing Directly from the Box
Feed-through ports let you print while filament remains warm and protected from ambient humidity. Check the number and placement of ports, compatibility with 1.75 mm or 2.85 mm filament, and whether the spool path creates excess resistance.
Storage, Controls, and Safety
A dryer with clear controls, a timer, stable temperature regulation, and overheating protection is easier to use safely. Sealing quality matters if you intend to use the unit as a storage box between prints.
Who Should Buy Which Filament Dryers?
Choose a Compact Single-Spool Model
Single-spool dryers are a sensible choice for beginners, smaller workspaces, and users who mainly print PLA or PETG. They usually cost less and are simple to move between printers.
Choose a Two-Spool Model
A two-spool dryer offers a strong balance for most home users. It can prepare a backup spool or a second material without taking up the space and power of a four-spool system.
Choose a Four-Spool Dryer
Multi-spool models suit print farms, frequent material changes, and households with several printers. Prioritize independent temperature control or well-designed airflow if you regularly dry different materials at the same time.
Choose a High-Temperature Option
If you print Nylon, reinforced composites, or other moisture-sensitive engineering filaments, select a model with an appropriate high-temperature range and precise regulation. Always follow the filament manufacturer’s drying instructions rather than relying only on the dryer’s maximum rating.