If damp filament is causing stringing, popping, or weak layer adhesion, a budget dryer can make a noticeable difference. The best filament dryers under 100 help protect your spools without adding much cost to your setup.
Below, we focus on practical picks for everyday 3D printing, from compact single-spool units to larger options that support longer prints and multiple materials.
Best 10 Filament Dryers Under 100 Picks for 2026
Editor’s Pick
- Drying during printing support
- 35–70°C and up to 99 hours
- Fits 1.75mm, 2.85mm, and 3.00mm spools
Best For: Users who want a versatile, easy-to-use dryer
Quiet Value Choice
- Drying while printing support
- 35–55°C temperature range
- Quiet design with 2-inch LCD
Best For: Beginners who want a simple, quiet dryer
Fast-Heat Upgrade
- 65°C in about 15 minutes
- 360° airflow with PTC heating
- Humidity display and countdown timer
Best For: Users who want quick heat-up and easy monitoring
Simple Budget Pick
- Drying while printing support
- 35–55C temp and 1–99 hours
- Fits 1.75mm, 2.85mm, and 3mm spools
Best For: Everyday users who want broad compatibility
Editor's Pick
SUNLU S2 360° Heating Filament Dryer
- 360° all-around heating with fan support
- Up to 70°C with touch-screen controls
- Works with many common filament types
Best For: Everyday makers who want easy controls and broad filament support
High-Capacity Choice
SUNLU S4 4-Spool Filament Dryer
- Drys up to four 1kg spools at once
- 350W PTC heater with three fans
- Eight exit holes for multi-printer setups
Best For: Users who need to dry multiple spools and feed more than one printer
Budget Storage Pick
Comgrow 2-Roll Filament Dryer Box
- Stores two 1kg spools with a sealed design
- LCD shows temperature and humidity in real time
- Gentle 40-50°C range for drying during printing
Best For: Users who want a sealed, easy-to-monitor dry box for standard PLA and ABS spools
Dual-Spool Fast Dryer
- Holds 2 spools with dual filament exits.
- 150W PTC heater heats quickly and evenly.
- One-key presets for 9 filament types.
Best For: multi-spool users who want fast, preset drying
Budget Monitoring Dry Box
- Shows live humidity and temperature.
- Fits 2 smaller rolls or 1 wider roll.
- Supports power-off storage with sealing.
Best For: budget-minded users who want monitoring and storage
Improved Sealing Dryer
- Dual-spool design with two PTFE exits.
- 150W heater reaches temp quickly.
- Upgraded sealing and 9 filament presets.
Best For: users who want faster drying and stronger sealing
Editor’s Pick – SUNLU Filament Dryer S2
If you want one of the more capable filament dryers under 100, the SUNLU Filament Dryer S2 is built to tackle wet-spool problems while keeping filament ready for printing. It supports drying during printing, has a large touch screen, and offers adjustable temperature and time settings for different filament types.
Best For: Makers who want a versatile dryer with strong compatibility and easy on-device control.
Pros:
- Can dry filament while printing for a smoother workflow
- Custom temperature range from 35–70°C and time up to 99 hours
- Large capacity with support for 1.75mm, 2.85mm, and 3.00mm spools
- Built-in circulation fan and translucent lid for convenient monitoring
Cons:
- Temperature range may be more than some users need for basic drying
- Bulkier capacity may take up more desk space than compact units
Overall, the S2 stands out if you want a user-friendly dryer that handles a wide range of common filaments and supports active drying while printing. It is a practical pick for humid environments or anyone trying to revive damp filament.
Quiet Value Choice – SUNLU S1 Plus White
The SUNLU S1 Plus is a straightforward option for shoppers comparing filament dryers under 100 and looking for reliable wet-filament protection. It is designed to dry while printing, with adjustable temperature and drying time settings that make it easy to match common filament needs.
Best For: Beginners and budget-minded users who want a simple dryer with quiet operation.
Pros:
- Drying while printing helps reduce stringing, clogging, and poor adhesion
- Adjustable temperature from 35°C to 55°C
- Drying time can be set from 1 to 99 hours
- Quiet operation and clear 2-inch LCD display
Cons:
- Lower max temperature than some competing dryers
- Capacity is limited to standard spool sizes around 210×85mm
If you mainly print common materials and want a simple box that gets the job done, the S1 Plus is an easy recommendation. It focuses on convenience, broad compatibility, and a low-noise design rather than advanced features.
Fast-Heat Upgrade – Creality Space Pi SE
The Creality Space Pi SE is a strong pick in filament dryers under 100 if you want fast heating and easy monitoring. Its PTC-based setup reaches 65°C quickly, while the built-in fan and 360° airflow are designed to heat the chamber evenly for more consistent drying.
Best For: Users who want quicker heat-up times and simple real-time drying control.
Pros:
- Heats to 65°C within about 15 minutes
- 360° hot-air circulation for even chamber heating
- Real-time humidity monitoring with countdown timer
- Fits most 1KG spools and supports many common filament types
Cons:
- Temperature ceiling is lower than some multi-purpose dryers
- Designed mainly for 1KG spools rather than larger formats
For buyers who prioritize speed and visibility, the Space Pi SE is a practical upgrade. It focuses on quick warm-up, straightforward controls, and broad material support without making setup complicated.
Simple Budget Pick – SUNLU S1 Plus Dryer
The SUNLU S1 Plus Dryer is a practical choice if you are comparing filament dryers under 100 and want a simple box for everyday wet-filament problems. It supports drying while printing, lets you adjust temperature and time, and uses a quiet design that fits well into a shared workspace.
Best For: Everyday users who want a no-fuss filament dryer with broad spool compatibility.
Pros:
- Supports printing while drying to help reduce print issues
- Adjustable temperature from 35–55C
- Drying time can be set from 1 to 99 hours
- Works with 1.75mm, 2.85mm, and 3mm spools
Cons:
- No advanced features like humidity readout
- Lower temperature range than higher-end alternatives
This model keeps the formula simple: dry damp filament, improve print consistency, and avoid unnecessary complexity. If you want a dependable entry-level option, it covers the basics well.
Editor's Pick – SUNLU S2 360° Heating Filament Dryer
If you’re shopping for filament dryers under 100, the SUNLU S2 is a practical pick for improving print consistency with PLA, PETG, ABS, TPU, Nylon, PA, and PC. Its 360° heating design, 70°C max temperature, and touch-screen controls make it easy to dry wet filament and monitor conditions without a steep learning curve.
Best For: Everyday makers who want a straightforward dryer with strong material compatibility and easy controls.
Pros:
- 360° circular heating with dual heating sheets and a fan for more even drying
- Up to 70°C temperature setting for a wider range of filament needs
- 4.6-inch LCD touch screen shows temperature, time, humidity, and countdown
- Compatible with 1.75/2.85/3.00mm filaments and many major brands
Cons:
- Single-spool design limits throughput compared with larger multi-roll dryers
- Best suited to standard spool sizes up to the listed capacity
The S2 stands out for buyers who want a balanced mix of speed, control, and compatibility in a compact filament dryer. It is especially useful if you want more reliable extrusion and smoother surfaces without spending much or overcomplicating setup.
High-Capacity Choice – SUNLU S4 4-Spool Filament Dryer
For makers comparing filament dryers under 100, the SUNLU S4 is the most capacity-focused option in this group, with room for up to four 1kg spools. It combines a 350W PTC heater, three circulation fans, and adjustable temperature and timer settings to support larger printing setups and keep multiple reels ready at once.
Best For: Users who need to dry multiple spools and feed more than one printer.
Pros:
- Holds up to four 1kg spools for higher drying output
- 350W PTC heater offers faster heating and stronger performance
- Three circulation fans help keep temperature more even across the box
- Eight filament exit holes support multiple printers and feeding angles
Cons:
- Larger footprint may take more bench space than smaller dryers
- More complex than a basic single-spool unit if you only dry one roll at a time
The S4 makes sense when capacity matters more than compact size. If you regularly swap between filaments or run several printers, its multi-spool layout and stronger heating system can be a real workflow upgrade.
Budget Storage Pick – Comgrow 2-Roll Filament Dryer Box
If you want a simple option among filament dryers under 100, the Comgrow box focuses on keeping spools dry during printing rather than high-heat drying. It stores up to two 1kg rolls, offers real-time temperature and humidity monitoring, and uses a sealed design with a 40-50°C range for gentle moisture control.
Best For: Users who want a sealed, easy-to-monitor dry box for standard PLA and ABS spools.
Pros:
- Holds two 1kg spools for practical storage and drying support
- Real-time temperature and humidity display on a 2-inch LCD screen
- Sealed outlet design helps keep moisture out when not in use
- Compatible with 1.75mm and 2.85mm PLA, ABS, and silk filament
Cons:
- Maximum temperature is only 50°C, so it is less aggressive than hotter dryers
- Designed specifically for filament drying, not broader multi-use functions
This Comgrow model is a good fit if you want controlled, low-temperature drying with clear status readouts. It is less about speed and more about steady moisture protection during printing and storage.
Dual-Spool Fast Dryer – Comgrow SH02
If you want filament dryers under 100 that can handle more than one spool at a time, the Comgrow SH02 is built for practical multi-material drying. It holds two 1kg rolls, supports 1.75mm and 2.85mm filament, and uses a 150W PTC heater with 360° hot-air circulation for faster, more even drying.
Best For: makers who need to dry two spools at once and want quick, preset-based operation.
Pros:
- Fits 2 spools and includes 2 filament holes for PTFE tube routing.
- 150W PTC heater reaches 50°C in about 7 minutes and 70°C in about 25 minutes.
- One-key presets cover 9 filament types, including PLA, PETG, TPU, ABS, and more.
- Built-in safety features and sealed construction help protect filaments during drying and storage.
Cons:
- Maximum temperature is limited to 70°C.
- Bulkier dual-spool design may be more than some single-spool users need.
Overall, the SH02 stands out if your priority is drying two rolls efficiently in one box with simple controls. It combines fast heating, preset convenience, and sealing features in a way that makes sense for active 3D printing setups.
Budget Monitoring Dry Box – Sovol SH01
For shoppers comparing filament dryers under 100, the Sovol SH01 focuses on the basics that matter most: moisture removal, temperature control, and long-term dry storage. It supports 2 filament rolls or 1 wider roll, and it adds real-time humidity and temperature readouts so you can keep track of conditions inside the box.
Best For: users who want an affordable dry box with live humidity and temperature monitoring.
Pros:
- Real-time display shows humidity and temperature inside the box.
- Supports 40°C, 45°C, and 50°C settings with 6- to 12-hour timers.
- Can store filament with power off using silicone and PTFE sealing.
- Large capacity fits 2 narrower rolls or 1 wider roll.
Cons:
- Top temperature tops out at 50°C.
- Performance notes mention room temperature below 16°C may keep it from reaching 50°C.
The SH01 is a straightforward choice if you want a monitored dry box rather than a high-heat dryer. Its sealing, display, and capacity make it practical for keeping common filaments drier between prints.
Improved Sealing Dryer – Sovol SH02
If you’re searching for filament dryers under 100 with faster heating and better sealing, the Sovol SH02 is the more performance-focused sibling to the SH01. It dries two spools at once, uses a 150W PTC heater, and is designed to reach 50°C in about 7 minutes for quicker turnaround on wet filament.
Best For: users who want a dual-spool dryer with faster heat-up and stronger sealing.
Pros:
- Dual-spool layout with 2 filament holes for PTFE tube routing.
- 150W PTC heater heats to 50°C in about 7 minutes and 70°C in about 25 minutes.
- Improved sealing helps protect filament even when the unit is off.
- One-key presets cover 9 filament types for quick setup.
Cons:
- Like the SH02 design, the maximum set temperature is 70°C.
- Preset-driven operation may feel less flexible than fully manual control for some users.
The SH02 is a strong pick if you want a more capable dry box without adding complexity. It combines quicker heating, upgraded sealing, and easy presets in a design aimed at everyday printing reliability.
How We Picked These Filament Dryers Under 100
We focused on dryers that offer the most useful combination of drying performance, temperature control, spool capacity, and everyday convenience for 3D printer owners shopping on a budget. Models were favored if they support common materials, have a sealed or semi-sealed design, and fit typical 1 kg spools without hassle.
We also looked for straightforward controls, reliable heating methods, clear visibility of the spool, and designs that can double as storage. For Filament Dryers Under 100, the goal is practical moisture control, not premium lab-style precision.
Quick Comparison
In this price range, the main differences usually come down to spool capacity, heat consistency, and whether the unit is best used for drying only or for drying while printing. Single-spool dryers are usually the simplest and most compact, while dual-spool and larger box-style options are better for users who print often or keep multiple filaments ready.
If you mostly print in PLA or PETG, a basic dryer may be enough. If you work with more moisture-sensitive materials or leave filament out for long periods, a sealed box with stronger heat control can be the smarter buy.
Key Buying Factors for Filament Dryers Under 100
Temperature Range and Control
Look for a dryer that can reach the range your materials need, especially if you print PLA, PETG, TPU, or ABS. Stable, repeatable heating matters more than a high maximum temperature you may never use.
Spool Size and Capacity
Make sure the dryer fits your most common spool width and diameter. Some units are built for one 1 kg spool, while others can hold two spools or support larger formats, which is useful if you switch materials often.
Drying Vs. Storage
Some Filament Dryers Under 100 are best for active drying, while others work well as sealed storage boxes between prints. If your environment is humid, a model that helps keep filament dry after the cycle ends can add more value.
Ease of Use and Monitoring
Simple controls, a clear display, and easy filament routing all make daily printing easier. If you print often, choose a design that lets you load, dry, and feed filament without extra setup.
Who Should Buy Which Filament Dryers Under 100?
Choose a compact single-spool dryer if you want the lowest-cost way to improve print quality and protect one working spool. Go with a larger or dual-spool model if you batch print, store multiple materials, or need better readiness for frequent jobs.
If you print in a humid climate or leave filament unused for weeks, prioritize sealed storage and consistent heat. If your focus is simple PLA and PETG use, a straightforward dryer with easy controls is often the best value. In short, the right choice depends on how often you print, how many spools you keep open, and how much moisture control you need.