Independent buying guides for 3D printing

Buying guide

Filament Storage & Drying Kit

Updated How we research

Keep filament dry and print-ready. The page is split into four sections (Dry spools actively; Seal spools in storage; Protect thirsty PETG; Keep flexible TPU dry), followed by every pick ranked by our score so you can compare them in one place.

Detailed view of orange and green 3D printer filament spools, perfect for creative and industrial projects
Photo: Jakub Zerdzicki on Pexels

The short version

We compared 16 picks. Our scores range from 7.0 to 8.6 out of 10.

Scores are our editorial assessment, not customer ratings. How we score

Dry spools actively

  1. EIBOS Filament Dryer Cyclopes 2 Rolls, Adjustable Temp Max 70C, Humidity Sensor, Infinite TimerOur score8.6/10
  2. SUNLU Filament Dryer Box S1 Plus, Blue Grey, Built-in Circulation Fan, Storage Box 1.75 2.85 3.00Our score8.0/10
  3. EIBOS 3D Printer Filament Dryer Easdry Box with Fan, Adjustable Temperature, Humidity ControlOur score7.8/10
  4. Upgraded SUNLU 3D Printer Filament Dryer Box, Filament Dehydrator, Holder, Storage Box, WhiteOur score7.0/10
Read the full guide: Best Filament Dry Boxes for Moisture-Free Prints (2026) →

Seal spools in storage

  1. eVacuum 3D Printer Filament Storage Kit, 10 Bags, 15 Desiccants, 15 Humidity Cards, Hand PumpOur score8.6/10
  2. Sovol 3D Printer Filament Storage Kit Vacuum Sealed Bags, 10 Bags Hand Pump Desiccant CardsOur score8.4/10
  3. Calorbot Filament Storage Bags (10-Pack) with Desiccants, Humidity Strips, Hand PumpOur score8.4/10
  4. BIQU 3D Printer Filament Storage Bags, Vacuum Sealed Dry Bags Kit with Hand Pump (Pack of 5)Our score7.0/10
Read the full guide: Best Filament Storage Containers →

Protect thirsty PETG

  1. OVERTURE PETG Filament 1.75mm, High Speed, 1kg Spool, +/- 0.02mm (Brown)Our score8.6/10
  2. OVERTURE PETG Filament 1.75mm, 6kg Spool (13.2lbs), 6 Color (6-Pack)Our score8.2/10
  3. OVERTURE PETG Filament 1.75mm Bundle 2kg, 1 Pack 2kg (4.4lbs), BlackOur score8.0/10
  4. Overture PETG 3D Printer Filament 1.75mm, 1kg Spool, Strong Toughness (Grass Green)Our score7.8/10
Read the full guide: Best PETG Filament for Strong, Durable Prints (2026) →

Keep flexible TPU dry

  1. SUNLU TPU Filament 1.75mm, 1kg Black, 95A High Speed Flexible, +/- 0.03mmOur score8.6/10
  2. OVERTURE High Speed TPU 95A Flexible Filament 1.75mm, 1kg BlackOur score8.6/10
  3. SUNLU TPU 3D Printer Filament 1.75mm, High Speed 95A, 1KG Flexible, GreyOur score8.2/10
  4. SUNLU TPU Filament 1.75mm 95A Bundle, 250G Spool, 8 Rolls, 2KG TotalOur score8.0/10
Read the full guide: Best TPU Filament for Flexible, Grippy Prints (2026) →

All 16 picks, ranked by our score

Every product from the sections above, listed once. Sort by the criterion you care about most, or tick up to three to compare.

Tick up to 3 picks to compare them side by side.
EIBOS Filament Dryer Cyclopes 2 Rolls, Adjustable Temp Max 70C, Humidity Sensor, Infinite Timer#1
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EIBOS Cyclopes filament dryer for 2 rolls with adjustable temp up to 70C, a humidity sensor and an infinite timer.

Fit for the job 9/10 · Features and specs 9/10 · Build and materials 8/10 · Value 8/10

  • + Holds 2 rolls, handy for dual-material or AMS printing
  • + Max 70C covers PETG, TPU and many nylon drying needs
  • + Infinite timer lets it act as a heated storage box while printing
  • - 70C may be too low for fully drying some engineering filaments
  • - Larger box takes more desk space than single-spool dryers
eVacuum 3D Printer Filament Storage Kit, 10 Bags, 15 Desiccants, 15 Humidity Cards, Hand Pump#2
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eVacuum filament storage kit with 10 bags, 15 desiccants, 15 humidity cards and a hand pump for dry filament.

Fit for the job 9/10 · Features and specs 9/10 · Build and materials 7/10 · Value 9/10

  • + 15 humidity cards show at a glance whether a spool stayed dry
  • + 15 desiccants cover all bags plus spares for later swaps
  • + Complete kit is ready to use without extra purchases
  • - Desiccant packs need replacing or recharging over time
  • - Sealed bags take shelf space compared with stacked spools
OVERTURE PETG Filament 1.75mm, High Speed, 1kg Spool, +/- 0.02mm (Brown)#3
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OVERTURE PETG in brown, a high speed 1.75mm filament on a 1kg spool with a stated +/- 0.02mm tolerance.

Fit for the job 9/10 · Features and specs 9/10 · Build and materials 8/10 · Value 8/10

  • + +/- 0.02mm stated tolerance is tight for smooth, even extrusion
  • + High speed formulation suits fast printers like Klipper machines
  • + PETG is tougher and more heat tolerant than PLA for functional parts
  • - PETG strings more than PLA, so retraction tuning is often needed
  • - Brown is a niche color that suits wood-look parts more than tech ones
SUNLU TPU Filament 1.75mm, 1kg Black, 95A High Speed Flexible, +/- 0.03mm#4
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SUNLU TPU in black, a 95A high speed flexible 1.75mm filament on a 1kg spool with +/- 0.03mm tolerance.

Fit for the job 9/10 · Features and specs 8/10 · Build and materials 8/10 · Value 9/10

  • + 95A hardness is flexible yet firm enough for phone cases and gaskets
  • + High speed TPU formulation prints faster than traditional flexibles
  • + +/- 0.03mm tolerance helps flexible filament feed without jams
  • - Bowden extruders struggle with TPU, so direct drive is best
  • - Flexible prints are hard to sand or post-process cleanly
OVERTURE High Speed TPU 95A Flexible Filament 1.75mm, 1kg Black#5
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OVERTURE High Speed TPU 95A in black, a flexible 1.75mm filament on a 1kg spool for quicker flexible prints.

Fit for the job 9/10 · Features and specs 8/10 · Build and materials 8/10 · Value 9/10

  • + High speed TPU lets direct drive printers run flexibles without crawling
  • + Black 95A TPU is a practical pick for grips, feet and cable guards
  • + OVERTURE spools are neatly wound, which helps flexible feeding
  • - Speed claims still depend on a tight filament path in the extruder
  • - Soft filament can buckle in long Bowden tubes and cause jams
Sovol 3D Printer Filament Storage Kit Vacuum Sealed Bags, 10 Bags Hand Pump Desiccant Cards#6
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Sovol filament storage kit with 10 vacuum sealed bags, a hand pump and desiccant cards to keep spools dry.

Fit for the job 9/10 · Features and specs 8/10 · Build and materials 7/10 · Value 9/10

  • + Vacuum sealed bags pull air out to slow moisture absorption
  • + Hand pump makes resealing quick after each printing session
  • + Desiccant cards add extra protection for PETG, TPU and nylon
  • - Bags can puncture on sharp spool edges if packed carelessly
  • - Vacuum storage keeps filament dry but does not dry wet spools
Calorbot Filament Storage Bags (10-Pack) with Desiccants, Humidity Strips, Hand Pump#7
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Calorbot filament storage bags 10-Pack with desiccants, humidity strips and a hand pump for moisture control.

Fit for the job 9/10 · Features and specs 8/10 · Build and materials 7/10 · Value 9/10

  • + Humidity strips help track moisture levels inside each bag
  • + 10-Pack stores a good-sized filament collection
  • + Desiccants included for extra dryness right away
  • - Humidity strips are less precise than digital hygrometers
  • - Zip seals can wear after many open and close cycles
OVERTURE PETG Filament 1.75mm, 6kg Spool (13.2lbs), 6 Color (6-Pack)#8
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OVERTURE PETG 6-pack, 6kg (13.2lbs) in 6 colors of 1.75mm filament, a starter library for durable multi-color work.

Fit for the job 8/10 · Features and specs 8/10 · Build and materials 8/10 · Value 9/10

  • + 6 colors give variety for AMS-style multi-color PETG projects
  • + 6kg total stock suits print farms and busy school labs
  • + Consistent OVERTURE PETG behavior across all colors in the pack
  • - Big bulk purchase takes a lot of dry storage space
  • - You may not use every color at the same rate, so some sit unused
SUNLU TPU 3D Printer Filament 1.75mm, High Speed 95A, 1KG Flexible, Grey#9
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SUNLU high speed 95A TPU in grey, a 1KG flexible 1.75mm filament for bumpers, feet and protective covers.

Fit for the job 8/10 · Features and specs 8/10 · Build and materials 8/10 · Value 9/10

  • + Grey TPU looks neutral on device bumpers and furniture feet
  • + High speed 95A blend lets modern printers run flexibles quicker
  • + 1KG spool is plenty for many small flexible parts
  • - TPU absorbs moisture, which causes bubbling if not dried first
  • - Stringing is common with flexibles and needs slower travel tuning
SUNLU Filament Dryer Box S1 Plus, Blue Grey, Built-in Circulation Fan, Storage Box 1.75 2.85 3.00#10
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SUNLU filament dryer box S1 Plus in blue grey with a built-in circulation fan, for 1.75, 2.85 and 3.00 filaments.

Fit for the job 8/10 · Features and specs 8/10 · Build and materials 7/10 · Value 9/10

  • + Circulation fan speeds drying compared with the original S1
  • + Supports 1.75, 2.85 and 3.00 filament spools
  • + Doubles as a storage box that feeds filament while printing
  • - Holds a single spool, so batch drying is slow
  • - Clear lid lets heat escape faster in cold rooms
OVERTURE PETG Filament 1.75mm Bundle 2kg, 1 Pack 2kg (4.4lbs), Black#11
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OVERTURE PETG black 2kg (4.4lbs) bundle in 1.75mm, a single large pack for makers printing lots of functional parts.

Fit for the job 8/10 · Features and specs 7/10 · Build and materials 8/10 · Value 9/10

  • + 2kg of black PETG covers long runs of durable functional parts
  • + Black PETG hides stringing marks better than light colors
  • + Buying in a larger pack lowers the cost per kilo
  • - Large 2kg quantity needs dry storage or it may absorb moisture
  • - Single color limits the bundle to one style of project
SUNLU TPU Filament 1.75mm 95A Bundle, 250G Spool, 8 Rolls, 2KG Total#12
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SUNLU 95A TPU bundle of 8 rolls on 250G spools, 2KG total, so you can try flexible prints in many colors.

Fit for the job 8/10 · Features and specs 8/10 · Build and materials 7/10 · Value 9/10

  • + 8 small rolls give color variety without committing to full spools
  • + 250G spools fit compact printers and AMS-style holders more easily
  • + 2KG total is generous for straps, grips and flexible toys
  • - Small spools run out quickly on larger flexible parts
  • - Frequent roll changes interrupt longer single-color prints
EIBOS 3D Printer Filament Dryer Easdry Box with Fan, Adjustable Temperature, Humidity Control#13
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EIBOS Easdry filament dryer box with a fan, adjustable temperature and humidity control for moisture-sensitive spools.

Fit for the job 8/10 · Features and specs 8/10 · Build and materials 7/10 · Value 8/10

  • + Built-in fan circulates warm air for more even drying
  • + Adjustable temperature suits PLA, PETG, TPU and nylon
  • + Humidity control helps you see when a spool is dry enough
  • - Single-spool size limits drying several rolls at once
  • - Check the max drying temperature suits your filament types
Overture PETG 3D Printer Filament 1.75mm, 1kg Spool, Strong Toughness (Grass Green)#14
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Overture PETG in grass green, a 1.75mm filament on a 1kg spool made for strong toughness in functional prints.

Fit for the job 8/10 · Features and specs 7/10 · Build and materials 8/10 · Value 8/10

  • + Strong toughness makes it good for brackets, clips and planters
  • + Grass green is a bright pick for garden and outdoor accessories
  • + PETG shrugs off moisture and mild heat better than PLA
  • - Sticks very firmly to smooth PEI, so use a release layer or glue
  • - Glossy PETG surfaces can highlight minor layer inconsistencies
Upgraded SUNLU 3D Printer Filament Dryer Box, Filament Dehydrator, Holder, Storage Box, White#15
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Upgraded SUNLU filament dryer box in white, a dehydrator, holder and storage box for printing from a dry spool.

Fit for the job 7/10 · Features and specs 6/10 · Build and materials 7/10 · Value 8/10

  • + Dehydrator function removes moisture that causes stringing
  • + Holder design lets filament feed straight to the printer
  • + Affordable entry point into filament drying
  • - Check the max drying temperature before running it daily
  • - Basic heating without a fan can dry spools unevenly
BIQU 3D Printer Filament Storage Bags, Vacuum Sealed Dry Bags Kit with Hand Pump (Pack of 5)#16
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BIQU vacuum sealed dry bags kit for filament storage with a hand pump, sold as a pack of 5.

Fit for the job 7/10 · Features and specs 7/10 · Build and materials 7/10 · Value 7/10

  • + BIQU is a known 3D printing accessory brand
  • + Hand pump quickly removes air from each storage bag
  • + Pack of 5 suits users with a small filament collection
  • - No desiccants mentioned, so you may need to add your own
  • - Only 5 bags, fewer than the common 10 bag kits

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Based on the last 28 days of search and visitor data.

Filament Print Lab curates picks for US shoppers. Scores are our editorial assessment. We may earn a commission from links on this page.