10 Best Filament Dryers for TPU in 2026: Smarter Drying for Flexible Filament

Written by: Abigail Ivy
Published on:

TPU is flexible, versatile, and especially sensitive to moisture. A suitable filament dryer can reduce popping, bubbling, inconsistent extrusion, and rough surface quality before problems reach your print.

This roundup compares 10 popular dryer and storage options, from compact single-spool units to dual-chamber models. Use the guide below to match temperature control, capacity, and workflow features to your TPU printing needs.

Best 10 Filament Dryer for Tpu Picks for 2026

Best Multi-Spool Pick

Creality Space Pi X4

Creality Space Pi X4
  • Four-spool drying and printing
  • Independent dual temperature chambers
  • Up to 85°C for engineering filaments

Best For: Multi-printer setups and mixed-material workflows

Best Overall TPU Dryer

SUNLU Filament Dryer S2

SUNLU Filament Dryer S2
  • 35–70°C adjustable temperature
  • 0–99 hour timer
  • Dries while printing

Best For: Everyday TPU printing with simple controls

Best Quiet Budget Option

SUNLU S1 Plus

SUNLU S1 Plus
  • 35–55°C adjustable temperature
  • 1–99 hour timer
  • Below-10dB operation

Best For: Quiet, routine TPU drying at home

Best All-Around Choice

Creality Filament Dryer Box Pro 2.0

Creality Filament Dryer Box Pro 2.0
  • 45–65°C adjustable heating
  • 360° circulation and humidity display
  • Print while drying one spool

Best For: Single-spool TPU drying with flexible controls

Best Dual-Spool Option

Sovol SH02 Filament Dryer

Sovol SH02 Filament Dryer
  • Dries two 1KG spools together
  • 40–70°C range with 150W PTC heater
  • Preset TPU mode and improved sealing

Best For: Multi-printer workflows and higher filament throughput

Best Simple Single-Spool Dryer

Creality Space Pi SE

Creality Space Pi SE
  • 45–65°C adjustable temperature
  • Humidity monitoring and countdown display
  • Supports 1KG spools and multiple materials

Best For: Beginner-friendly TPU drying for one spool

Best Value TPU Filament Dryer

Comgrow SH01

Comgrow SH01
  • Holds two 1kg spools
  • 40–50°C adjustable temperature
  • LCD temperature and humidity monitoring

Best For: Everyday filament storage and lower-temperature drying

Best Feature-Rich TPU Filament Dryer

Creality Space Pi

Creality Space Pi
  • 45–70°C manual temperature range
  • 48-hour timer with power-off memory
  • 360° heating and 3.7-inch touch screen

Best For: Multi-material users wanting presets and extended drying

Best Multi-Spool Pick – Creality Space Pi X4

If you need a high-capacity filament dryer for TPU and other demanding materials, the Creality Space Pi X4 stands out with four-spool drying and printing. Its dual chambers can run independently, making it practical for mixed filament workflows.

Best For: Multi-printer setups and users drying TPU alongside engineering filaments such as PA, PAHT, and PC.

Pros:

  • Dries and prints from up to four spools at once.
  • Dual independent chambers support different temperatures simultaneously.
  • Reaches up to 85°C with dual 200W PTC heaters.
  • Single-chamber mode can reduce energy use.

Cons:

  • Its larger four-spool design may be more than needed for occasional users.
  • Creality recommends checking that other brands’ plastic trays are heat resistant.

The Space Pi X4 is the most capable option here for throughput and higher-temperature drying. It makes particular sense when you regularly work with TPU and several other filament types at once.


Best Overall TPU Dryer – SUNLU Filament Dryer S2

The SUNLU S2 is a practical filament dryer for TPU when you want adjustable temperature and drying time without a complicated setup. It can dry while printing and supports common spool sizes from 1.75mm to 3.00mm.

Best For: Everyday TPU users who want straightforward controls, broad compatibility, and a dryer that can also serve as a spool holder.

Pros:

  • Temperature adjusts from 35–70°C.
  • Drying time can be set from 0–99 hours.
  • Built-in spindle keeps filament moving for more even drying.
  • Large touch screen and translucent lid simplify operation and monitoring.

Cons:

  • Its 70°C maximum is lower than the Creality model’s 85°C maximum.
  • It is designed around a single spool.

With useful temperature and timer controls, the S2 offers a balanced choice for TPU printing. Its ability to dry during printing is especially helpful in humid locations or when working with previously stored filament.


Best Sealed Storage – Polymaker PolyDryer Box

The Polymaker PolyDryer is a storage-focused option for anyone looking for a filament dryer for TPU that also helps protect a spool between prints. It uses an airtight enclosure, desiccant support, and a hygrometer to help manage moisture exposure.

Best For: TPU storage and printing directly from a sealed box when moisture protection between jobs matters most.

Pros:

  • Sealed design and desiccant support help reduce moisture exposure.
  • Built-in hygrometer provides visible humidity monitoring.
  • Allows filament feeding without breaking the seal.
  • Supports 1.75mm, 2.85mm, and 3.00mm filament up to 1kg spools.

Cons:

  • This listing includes the storage box only, not an active heating dryer.
  • It does not provide adjustable drying temperatures or a timer.

The PolyDryer is best viewed as a moisture-control storage solution rather than a heated dryer. Choose it when keeping TPU sealed and ready to print is more important than actively reviving damp filament.


Best Quiet Budget Option – SUNLU S1 Plus

The SUNLU S1 Plus is a compact, user-friendly filament dryer for TPU with adjustable settings and a quiet operating design. It can dry filament while printing and accommodates common 1.75mm, 2.85mm, and 3.00mm spools.

Best For: Home users who want simple TPU drying, low operating noise, and a basic dryer with flexible time settings.

Pros:

  • Temperature adjusts from 35–55°C.
  • Drying time can be set from 1–99 hours.
  • Rollers support printing while drying.
  • Ultra-quiet operation is rated below 10dB.

Cons:

  • The 55°C maximum is lower than the SUNLU S2 and Creality models.
  • It has less temperature range for materials requiring hotter drying.

The S1 Plus is a sensible choice for routine TPU maintenance when quiet operation and uncomplicated controls are priorities. Its lower maximum temperature makes it better suited to standard drying needs than higher-temperature engineering materials.


Best All-Around Choice – Creality Filament Dryer Box Pro 2.0

If you need a practical filament dryer for TPU, the Creality Filament Dryer Box Pro 2.0 combines adjustable heat, 360° hot-air circulation, and in-process feeding. Its 45–65°C range and compatibility with 1.75mm and 2.85mm filament make it a flexible option for common materials.

Best For: Users who want to dry one spool while printing and monitor humidity and drying time.

Pros:

  • Supports TPU, PLA, PETG, ABS, Nylon, and other filament types.
  • 360° circulation can heat the chamber to 65°C within 15 minutes.
  • Adjustable 0–24-hour timer with real-time humidity and countdown display.
  • Two rollers allow printing while the filament dries.

Cons:

  • Holds one 1KG spool at a time.
  • Maximum temperature is 65°C, which may not suit every drying requirement.

This is a well-rounded choice for TPU users who value straightforward controls and the ability to keep filament feeding during drying. Its single-spool design is best suited to individual printers rather than multi-spool workflows.

Best Dual-Spool Option – Sovol SH02 Filament Dryer

For users comparing a filament dryer for TPU that can support more than one printer, the Sovol SH02 stands out with dual-spool capacity and two PTFE-compatible filament holes. Its 40–70°C setting range, fast PTC heater, and sealed design support both drying and storage.

Best For: Multi-printer setups and users who want to dry two 1KG spools at the same time.

Pros:

  • Dries two 1KG rolls simultaneously.
  • Reaches 50°C in about 7 minutes and 70°C in about 25 minutes.
  • One-key settings cover TPU and eight other filament types.
  • Improved sealing helps protect filament from moisture and dirt when powered off.

Cons:

  • Desiccant bags for the internal holders are not included.
  • The dual-spool design is larger and may use more workspace than a single-spool dryer.

The SH02 is the strongest fit here for higher-throughput printing. Its dual capacity and preset TPU mode reduce setup time, while the safety cutoff and fan alarm add useful operational protection.

Best Simple Single-Spool Dryer – Creality Space Pi SE

The Creality Space Pi SE is a straightforward filament dryer for TPU with a 45–65°C adjustable range, a precision sensor, and a display for humidity and drying time. It is designed for 1KG spools and supports both 1.75mm and 2.85mm filament.

Best For: Beginners and single-spool users who want simple controls and monitored drying.

Pros:

  • 360° hot-air circulation heats the chamber to 65°C within 15 minutes.
  • Adjustable temperature and 0–24-hour drying timer.
  • Supports TPU, PLA, PETG, ABS, ASA, PP, PC, and nylon.
  • Insulation helps retain heat and reduce the chance of accidental contact burns.

Cons:

  • Designed for one 1KG spool rather than multiple rolls.
  • Its temperature range tops out at 65°C.

Space Pi SE keeps the drying process easy to follow without sacrificing adjustment options. It is a sensible pick when you need one-spool TPU drying, clear status information, and compatibility with a broad selection of materials.

Best Value TPU Filament Dryer – Comgrow SH01

If you need a practical filament dryer for TPU and everyday materials, the Comgrow SH01 focuses on enclosed storage and in-print moisture control. Its 40–50°C adjustable range is suited to users who want a lower-temperature drying option, although its maximum temperature is more limited than some newer models.

Best For: Users who want to dry or store up to two 1kg spools while printing with standard 1.75mm or 2.85mm filament.

Pros:

  • Stores two 1kg spools in its large internal compartment.
  • Supports common 1.75mm and 2.85mm filament diameters.
  • Includes temperature and humidity monitoring with a 2-inch LCD screen.
  • Sealed outlet design helps limit moisture exposure when properly closed.

Cons:

  • Temperature tops out at 50°C, which may be limiting for some higher-temperature materials.
  • Drying time is limited to a 6- to 12-hour setting range.
  • The work state must appear on the display or the motherboard shuts down after three minutes.

The SH01 is a straightforward choice for TPU users who prioritize two-spool capacity and sealed storage over high heat. Its modest temperature ceiling makes it best suited to compatible materials and routine moisture management.

Best Feature-Rich TPU Filament Dryer – Creality Space Pi

The Creality Space Pi is a versatile filament dryer for TPU when you want automated material presets, circulating heat, and longer drying sessions. Its 45–70°C manual range, 80W PTC heater, and 48-hour timer give it more control than basic enclosed dry boxes.

Best For: Makers who use several filament types and want touch-screen controls, material presets, and drying for up to 48 hours.

Pros:

  • 360° hot-air circulation is designed for more uniform heating.
  • Supports 1.75mm, 2.85mm, and 3mm filament diameters.
  • Offers presets for up to 12 filament types, plus manual temperature adjustment.
  • 3.7-inch touch screen displays temperature, humidity, and drying countdown.

Cons:

  • The supplied specifications list a 5kg item weight, so it may be less convenient to move.
  • The notes do not specify the number of spools it can hold.
  • Its 45°C minimum setting may not suit users seeking very low-temperature drying.

With broad material support and a long timer, the Space Pi is a strong option for a mixed-material workshop. The touch interface and power-off memory function add convenience when drying cycles run for extended periods.

Best High-Capacity TPU Filament Dryer – Comgrow SH02

The Comgrow SH02 is a high-capacity filament dryer for TPU with faster heating and a wider temperature range than the SH01. It holds two 1kg spools, uses 360° PTC air circulation, and offers a dedicated TPU preset to simplify setup.

Best For: Users who want to dry two spools at once, feed them directly to one or two printers, and use quick presets for TPU and other materials.

Pros:

  • 150W PTC heater reaches 50°C within seven minutes and 70°C within 25 minutes, according to the supplied notes.
  • Holds two 1kg spools and includes two filament-feed holes.
  • One-key settings support nine filament types, including TPU.
  • Includes sealing rings and safety protection for overheating and fan failure.

Cons:

  • Its 4.4-pound weight may be less portable than compact single-spool dryers.
  • The supplied details do not state the exact touch-screen display size.
  • Higher heat settings require selecting temperatures appropriate for the specific filament.

The SH02 is the most capable choice here for users who value capacity, faster warm-up, and a broader 40–70°C range. Its two-spool layout and TPU preset make it especially practical for regular multi-printer use.

How We Picked the Best Filament Dryer for Tpu

We focused on features that matter when drying and printing flexible filament: adjustable heat, even airflow, spool compatibility, moisture-resistant storage, and practical controls. We also considered whether each unit supports one or two spools, accommodates common 1kg rolls, and can feed filament directly to a printer.

Because TPU should not be exposed to excessive heat, temperature precision and usable low-to-mid temperature settings received more weight than maximum temperature alone. Dual heating chambers, fans, timers, seals, and power-saving features were also considered for different workloads.

Quick Comparison

  • Best for high-volume drying: Dual-chamber models such as the Creality Space Pi X4 can handle more than one spool while keeping chambers independent.
  • Best for straightforward everyday use: SUNLU S1 Plus and S2 models offer simple dedicated drying and storage for common filament workflows.
  • Best for sealed storage: Polymaker Polydryer and Comgrow or Sovol dry boxes are useful when keeping filament dry during or after printing is the priority.
  • Best for faster circulation: Models with fans and 360-degree hot-air circulation can distribute heat more evenly around the spool.

Key Buying Factors for Filament Dryer for Tpu

Temperature Control

Look for precise, adjustable settings rather than relying on a single high-temperature mode. TPU drying requirements vary by formulation, so follow the filament manufacturer’s recommendations and avoid assuming that a higher setting is better.

Airflow and Drying Consistency

A fan or circulating hot-air system can help reduce cold spots around a spool. This is particularly useful for wider rolls or longer drying cycles, although airflow should work alongside sensible temperature control.

Capacity and Spool Fit

Check whether the chamber accepts your spool width, diameter, and weight. A dual-spool dryer can save time, but a single-spool unit may be more compact and easier to position beside a printer.

Sealing and Print-Through Design

If you plan to print directly from the box, inspect the feed ports, spool rollers, and seal design. A dryer that also works as a storage container can help limit moisture reabsorption after drying.

Controls, Timer, and Energy Use

Touch controls, programmable timers, temperature sensors, and power-saving modes improve convenience. They are helpful for overnight cycles, but reliable temperature regulation remains more important than a long feature list.

Who Should Buy Which Filament Dryer for Tpu?

Choose a dual-chamber dryer if you regularly print TPU alongside another moisture-sensitive material or prepare multiple spools at once. Choose a compact single-spool dryer if you have limited workspace or want a simple setup for occasional flexible-filament printing.

Choose a sealed dry box if your main concern is keeping TPU protected during extended prints or storage. Choose a fan-assisted, higher-capacity model if you print frequently and value faster, more even circulation. Whatever you select, confirm the recommended drying temperature for your exact TPU and store the spool sealed with desiccant when it is not in use.