SUNLU / DRYING
SUNLU S4
A four-spool station with one shared temperature setting, circulation fans, and humidity-controlled operation.
4 spoolsUp to 70°C
Check on Amazon Details & tradeoffsTHE RIGHT EQUIPMENT FOR THE JOB
Multi-Spool Filament Dryers: Compare Capacity
Compare two- and four-spool dryers for multiple materials, several printers, or a more organized bench.
Check my requirements ↗What matters before you choose
CHECK / 01
Spool count is only the starting point. Confirm reel dimensions and the number of usable outlets.CHECK / 02
A shared chamber can only use one set temperature. Mixed materials may need separate cycles.CHECK / 03
Dual independent chambers can help separate materials, but compare each chamber’s controls and limits.As an Amazon Associate, we earn from qualifying purchases. Buying through our links may earn us a commission.
10 relevant options
Research reviewed September 5, 2026 by John Morris
Creality / DRYING
Creality Space Pi Plus
A two-spool hot-air dryer for keeping two rolls ready at one shared temperature.
2 spoolsUp to 70°C
Check on Amazon Details & tradeoffs
SUNLU / DRYING
SUNLU S4 Pro
Two independently controlled chambers let four spools share a station while using different drying settings.
4 spoolsUp to 85°C
Check on Amazon Details & tradeoffs
SUNLU / DRYING
SUNLU E2
A higher-temperature dryer reaching 110°C for named engineering grades whose datasheets call for more heat.
2 spoolsUp to 110°C
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Creality / DRYING
Creality SpacePi X4
A four-spool station with two independent heated chambers, active exhaust, and an 85°C ceiling.
4 spoolsUp to 85°C
Check on Amazon Details & tradeoffs
Sovol / DRYING
Sovol SH02
A two-spool PTC dryer reaching 70°C, with a documented two-reel layout of 200 ×70mm per spool.
2 spoolsUp to 70°C
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Sovol / DRYING
Sovol SH01
A simpler two-spool dryer with a 50°C ceiling. Check material requirements before choosing it for PETG or TPU.
2 spoolsUp to 50°C
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EIBOS / DRYING
EIBOS Polyphemus 80°C
A two-spool rotating dryer in the verified 80°C temperature variant, with humidity control and adjustable exhaust.
2 spoolsUp to 80°C
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EIBOS / DRYING
EIBOS Cyclopes
A two-spool dryer with published reel dimensions. Its current manufacturer temperature claims need clarification.
2 spools
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Comgrow / DRYING
Comgrow SH03
Four-spool capacity in two independent chambers, with a 45–85°C range and automatic vents.
4 spoolsUp to 85°C
Check on Amazon Details & tradeoffsSeparate capacity from independent control
A four-spool label describes positions, not necessarily four independent processes. Shared chambers use one condition for the complete load; split chambers can separate compatible groups only within the controls documented for that model.
Count active jobs and usable outlets, then check every loaded reel. A large chamber is not a fit guarantee, and a temperature match does not establish that each material can share the same cycle.
Open the product details and review the limitations, then check the current retailer listing for the exact revision, included parts, seller, and return terms. Specifications here come from published sources, not independent performance measurements. Where a dimension or capability could not be established, it stays unknown.
Our Finder separates documented temperature and capacity matches from products that require more verification. It does not certify safety or diagnose a printer. If moisture symptoms continue after following the maker’s drying procedure, investigate print settings and feed resistance as separate variables.
Keep reading
How we compare products · Manufacturer drying reference · All collections