Moisture can cause stringing, popping, weak layers, and inconsistent extrusion—especially with hygroscopic materials such as nylon, TPU, and PVA. The best filament dryers help restore and maintain filament quality before and during a print.
This roundup compares 10 filament dryers across capacity, temperature control, heating performance, storage, and ease of use, so you can choose a setup that fits your printer and workflow.
Best 10 Filament Dryers Picks for 2026
Best Touchscreen Control
- 360° hot-air circulation with a 110W PTC heater
- Touchscreen presets and adjustable 45–70°C drying
- Supports most 1kg spools and remembers settings after outages
Best For: Convenient single-spool drying with simple controls
Best for Multiple Spools
- Dries up to four 1kg spools simultaneously
- 350W heater and three fans support even circulation
- Eight outlets and a 0–99-hour timer suit multi-printer setups
Best For: High-volume printing and batch filament drying
Best High-Capacity Storage Dryer
- Fits four 1kg or two 2kg spools
- Dual 200W chambers reach up to 85°C
- Sealed enclosure helps prevent moisture re-absorption
Best For: Batch drying plus moisture-conscious filament storage
Best Simple Single-Spool Option
- Adjustable 35–70°C drying and a 0–99-hour timer
- Rotating spool supports even drying while printing
- Translucent lid and broad diameter compatibility
Best For: Straightforward home filament drying and spool holding
Best Dual-Spool Value
- Holds two 1 kg spools
- 40–50°C adjustable temperature
- Temperature and humidity display
Best For: Two-spool storage and routine PLA or ABS drying
Best Fan-Assisted Option
- Built-in fan speeds moisture discharge
- 35–55°C adjustable temperature
- LCD shows temperature, time, and humidity
Best For: Single-spool drying across common filament types
Best High-Temperature Choice
Comgrow SH02 Dual Filament Dryer
- Dries two 1 kg spools simultaneously
- 150W heater reaches up to 70°C
- Presets for nine filament types
Best For: Multi-material drying and faster dual-spool operation
Best Overall
- Dual-spool design with 360° hot-air circulation
- 12 filament presets plus 45°C–70°C adjustment
- Touchscreen controls and a 0–48-hour timer
Best For: Easy, guided drying for two spools
Best High-Capacity
- Two chambers hold up to four 1kg spools
- Independent controls with 45°C–85°C heating
- Automatic mode and up to 98 hours of operation
Best For: Multi-material and higher-volume printing
Best Budget-Friendly
- Supports two narrow spools or one wider spool
- Displays internal temperature and humidity
- Sealed storage works without power and accepts desiccants
Best For: Simple drying and storage for home users
Best Touchscreen Control – Creality Space Pi V2
For makers who want straightforward control, this Creality filament dryer combines 360° hot-air circulation with preset material programs and adjustable settings. Its 3.7-inch touchscreen supports drying temperatures from 45°C to 70°C and timers up to 48 hours, while the memory function restores settings after a power interruption.
Best For: Users drying common and composite filaments who value simple touchscreen operation and power-failure recovery.
Pros:
- 360° hot-air heating from a 110W PTC heater helps promote even drying.
- Preset programs cover materials including PLA, ABS, PETG, TPU, nylon, and composite filaments.
- Supports most 1kg spools in both 1.75mm and 2.85mm sizes.
- Remembers material and temperature settings after a power failure.
Cons:
- Its maximum temperature is lower than some high-temperature filament dryers.
- The timer is limited to 48 hours, rather than the longer range offered by some competing models.
The Space Pi V2 is a practical choice when ease of use matters more than multi-spool capacity. Its presets, touchscreen, and broad material compatibility make it a convenient everyday dryer.
Best for Multiple Spools – SUNLU S4
The SUNLU S4 is a high-capacity filament dryer designed for busy print setups. It holds up to four 1kg spools, uses a 350W PTC heater and three circulation fans, and provides eight filament exit holes for feeding multiple printers while drying.
Best For: Multi-printer users and high-volume makers who need to dry several spools at once.
Pros:
- Capacity for four 1kg spools supports batch drying and printing.
- Three fans and 360° circulation help distribute heat across the chamber.
- Eight filament outlets offer flexible loading for multiple printers.
- Temperature adjusts from 35°C to 70°C, with a timer up to 99 hours.
Cons:
- Its large 460 × 220 × 310mm footprint requires substantial workspace.
- The 4kg unit is less convenient to move than a compact single-spool dryer.
- Higher capacity may be unnecessary for occasional or single-spool users.
With four-spool capacity and multiple outlets, the S4 is built around throughput rather than portability. It is a strong fit for workshops where several materials or printers need attention at the same time.
Best High-Capacity Storage Dryer – Creality Space Pi X4
The Creality Space Pi X4 combines filament drying with sealed storage for larger print operations. Its dual 200W heating chambers reach up to 85°C and accommodate four standard 1kg spools or two 2kg spools, while the silicone-sealed enclosure helps limit moisture re-absorption during pauses.
Best For: High-volume users who need to dry multiple spools and keep them protected between or during prints.
Pros:
- Holds four 1kg spools or two large 2kg spools.
- Dual independent 200W chambers provide up to 85°C for a broad range of materials.
- Sealed storage helps maintain lower moisture exposure after drying.
- Illuminated viewing lets users monitor spools without opening the enclosure.
Cons:
- The supplied notes do not specify a timer range or filament outlet count.
- Its larger capacity may be excessive for users who usually dry one spool.
- Higher-temperature operation requires selecting settings appropriate for the filament.
The Space Pi X4 stands out among filament dryers for combining batch capacity with ongoing storage. It makes the most sense for users working with several spools or moisture-sensitive materials who want fewer handling steps.
Best Simple Single-Spool Option – SUNLU S2
The SUNLU S2 is a straightforward filament dryer for users who want to revive damp material and feed it directly to a printer. It offers adjustable temperatures from 35°C to 70°C, a 0–99-hour timer, continuous spool rotation, and a translucent lid for checking the filament without opening the box.
Best For: Home users and beginners who need an uncomplicated dryer and spool holder for one printing setup.
Pros:
- Drying temperatures from 35°C to 70°C suit materials including PLA, TPU, PETG, and ABS.
- 0–99-hour timer supports short drying cycles and extended runs.
- Spool rotation helps promote more even drying.
- Works with 1.75mm, 2.85mm, and 3.00mm filament diameters.
Cons:
- The supplied notes do not state the number of spools it can hold.
- Its 70°C maximum may not suit every high-temperature drying requirement.
- The 265 × 274 × 118mm chamber still requires dedicated workspace.
The S2 focuses on essential functionality rather than batch capacity. Its broad filament-diameter support, long timer, and transparent lid make it a sensible entry-level choice for routine drying while printing.
Best Dual-Spool Value – Comgrow SH01 Filament Dryer
For shoppers comparing filament dryers, the Comgrow SH01 stands out as a dual-spool dry box with a compact temperature range and a sealed design. It can hold two 1 kg spools, monitor temperature and humidity, and keep filament dry while printing.
Best For: Makers who want to dry or store two standard spools at once, particularly PLA, ABS, and silk filament users.
Pros:
- Stores two 1 kg spools in its 9.29 x 6.49 x 9.13-inch interior.
- Supports 1.75 mm and 2.85 mm filament diameters.
- Offers adjustable 40–50°C temperature settings, six- to 12-hour timing, and real-time temperature and humidity monitoring.
- Sealed outlet design helps maintain a dry storage environment when the box is not in use.
Cons:
- Its 50°C maximum temperature is lower than some higher-temperature filament dryers.
- The work state must appear on the display or the motherboard shuts down after three minutes.
- The sealing hole needs to be opened during drying so moisture can escape.
The SH01 is a practical choice when capacity and straightforward monitoring matter more than high-temperature drying. Its dual-spool layout and printing-compatible storage make it useful for routine filament management.
Best Fan-Assisted Option – SUNLU S1 Plus Filament Dryer
The SUNLU S1 Plus is one of the more versatile filament dryers for users who want fan-assisted moisture removal and simple controls. Its LCD shows temperature, time, and humidity, while adjustable settings support several common filament materials.
Best For: 3D printing users seeking a compact dryer for 1.75 mm, 2.85 mm, or 3.00 mm filament, including PLA, PETG, ABS, TPU, and Nylon.
Pros:
- Upgraded fan design helps discharge excess moisture during drying.
- Adjustable temperature range of 35–55°C accommodates different filaments and environments.
- Two-inch LCD displays temperature, time, and humidity.
- Supports drying while printing and fits filament up to 210 x 89 mm.
Cons:
- Its listed capacity is for one spool, unlike the dual-spool models in this roundup.
- The supplied notes do not specify a maximum drying duration.
- It does not list the higher 70°C maximum temperature offered by the Comgrow SH02.
The S1 Plus offers a balanced feature set for everyday printing: fan-assisted drying, broad filament compatibility, and clearly visible controls. It is a sensible fit for users who prioritize straightforward operation over two-spool capacity.
Best High-Temperature Choice – Comgrow SH02 Dual Filament Dryer
The Comgrow SH02 is a strong option among filament dryers when faster heating, higher temperatures, and dual-spool operation are priorities. Its 150W PTC heater, circulating fan, and preset controls are designed to simplify drying across nine filament categories.
Best For: Makers who need to dry two 1 kg spools simultaneously or work with materials such as ABS, ASA, PC, PA, PP, TPU, and PVA.
Pros:
- Dries two 1 kg spools at the same time and includes two filament outlets.
- 150W 360° PTC heating reaches 50°C within seven minutes and 70°C within 25 minutes, according to the supplied specifications.
- One-key presets cover nine filament types, with drying time available up to 98 hours.
- Includes overheating protection, fan-failure alerts, and multiple sealing rings.
Cons:
- It is heavier than the other listed options at 4.4 pounds.
- The higher-temperature system may be more capability than users need for basic PLA drying.
- The supplied specifications identify the material as PLA despite compatibility with a broad range of filament types.
The SH02 is the most capable choice here for users who want faster heating, long drying cycles, and broader material support. Its presets and safety features also reduce the need to manually configure every filament type.
Best Overall – Creality Space Pi Plus
The Creality Space Pi Plus is a versatile filament dryer for users who want dual-spool drying, guided temperature settings, and straightforward controls. Its 110W PTC heater, 360° hot-air circulation, and adjustable 45°C–70°C range are suited to common materials and selected composite filaments.
Best For: Makers who want an easy-to-use dual-spool dryer with preset filament programs.
Pros:
- PTC heating and 360° airflow help promote even drying.
- Supports two spools and offers presets for up to 12 filament types.
- 3.7-inch touchscreen, real-time monitoring, and a 0–48-hour timer.
Cons:
- Its 45°C–70°C range is narrower than the range offered by some larger dryers.
- The supplied information does not specify compatibility with four simultaneous spools.
Choose this model if convenient presets and a simple touchscreen matter more than maximum capacity. The adjustable settings also give you room to fine-tune drying for different materials.
Best High-Capacity – Comgrow SH03 Four-Spool Dryer
The Comgrow SH03 stands out among filament dryers for capacity and control. Its dual independent chambers can hold up to four 1kg spools, while separate temperature controls let you dry different materials at the same time.
Best For: High-volume users who need multi-spool drying, independent chambers, and extended operation.
Pros:
- Holds up to four 1kg spools across two independently controlled chambers.
- Dual 200W PTC modules provide a 45°C–85°C adjustable range.
- Automatic drying mode, 360° airflow, and a maximum 98-hour timer support unattended operation.
- Includes multiple monitoring and protection systems, including fan and overheat monitoring.
Cons:
- Its larger capacity and dual-chamber design may be more than occasional users need.
- The supplied notes do not provide full dimensions or weight for assessing workspace requirements.
The SH03 is the strongest fit when throughput and flexibility are priorities. Independent chambers and automatic humidity-based operation make it particularly useful for users working with several filament types.
Best Budget-Friendly – Sovol SH01 Filament Dryer
The Sovol SH01 is a compact filament dryer and storage box for users who need basic moisture control without a complex interface. It supports two narrower spools or one wider spool, with selectable temperatures of 40°C, 45°C, and 50°C.
Best For: Home users seeking straightforward drying and sealed filament storage for one or two spools.
Pros:
- Real-time temperature and humidity display helps track conditions.
- Built-in fan promotes more even heating.
- Silicone and PTFE seals support storage without power, and the box can hold desiccant bags.
- Compatible with 1.75mm and 2.85mm PLA, PETG, TPU, and ABS filament.
Cons:
- Temperature choices top out at 50°C, limiting high-temperature drying.
- Desiccant bags are not included.
- It holds two spools only when each is under 70mm wide, or one spool under 150mm wide.
The SH01 makes sense for everyday filament upkeep and sealed storage rather than demanding high-temperature drying. Its simple controls and compact capacity keep the setup practical for smaller printing workflows.
How We Picked the Best Filament Dryers
We evaluated these Filament Dryers by looking at the features that have the greatest effect on practical 3D-printing results: spool capacity, maximum temperature, heating design, temperature control, drying-time convenience, and whether the unit can feed filament while it operates. We also considered the difference between compact dryers for occasional use and larger systems designed to prepare or store several spools.
Product specifications can vary by region and revision, so confirm the supported spool dimensions, temperature range, power requirements, and included accessories before ordering. A high maximum temperature is useful, but accurate control and even heating matter just as much.
Quick Comparison
- Best for multiple spools: Choose a four-spool model such as the SUNLU S4, Creality Space Pi X4, or Comgrow SH03.
- Best for compact workspaces: Single- or dual-spool units such as the SUNLU S2, SUNLU S1 Plus, Comgrow SH01, and Creality Space Pi models are easier to place beside a printer.
- Best for higher-temperature materials: Look for models offering higher temperature ceilings, such as the Creality Space Pi V2 or Space Pi X4, while checking the manufacturer’s recommended settings for each filament.
- Best for basic dry storage: A sealed box with active heating can help keep prepared filament usable between prints, but it does not replace proper drying for heavily moisture-affected material.
Key Buying Factors for Filament Dryers
Capacity and Spool Compatibility
Match the dryer to your typical print schedule. A single-spool box uses less space and power, while a four-spool model is more convenient if you regularly print with several colors or materials. Check spool width, diameter, and weight support before buying.
Temperature Range and Control
PLA generally needs gentler drying than nylon or other moisture-sensitive materials. Choose a unit with adjustable temperature and time settings rather than relying only on a preset. Avoid excessive heat, which can deform filament or cause spools to bind.
Heating Consistency and Airflow
PTC heating is common because it can provide controlled heat with built-in safety characteristics. Circulating warm air and a well-designed chamber help dry the spool more evenly than a hot spot near the heater.
Printing Directly from the Dryer
If you want to print while drying, look for smooth feed paths, compatible outlet ports, and enough clearance for your spool. A dryer that seals well and feeds cleanly can also reduce moisture reabsorption during long prints.
Controls, Noise, and Maintenance
Touch controls, digital displays, presets, and sensors make repeated use easier. Also consider fan noise, lid seals, desiccant compatibility, and how easily you can clean the chamber. These details matter when the dryer runs for several hours.
Who Should Buy Which Filament Dryers?
Choose a compact single-spool dryer if you print occasionally, have limited bench space, or mainly need to refresh one spool at a time. It is a sensible starting point for PLA, PETG, and moderate moisture-control needs.
Choose a dual-spool model if you often switch materials or want to dry one spool while keeping another ready to feed. This offers a useful balance between flexibility and footprint.
Choose a four-spool dryer if you run multiple printers, use several colors, or want a centralized preparation station. The larger capacity can save time, although it requires more space and may use more energy.
For demanding materials, prioritize adjustable temperature, reliable airflow, and clear manufacturer guidance over capacity alone. Whichever model you choose, store dried filament in an airtight container with fresh desiccant when it is not actively feeding the printer.