Drying a spool is only half the fight. The other half is not leaving that same spool sitting exposed on the bench until it starts reabsorbing moisture again.
The eSUN Vacuum Kit Pro fits a clear GoodPrints buyer lane because it helps makers seal open filament more consistently after drying or between print sessions. That is especially useful when PETG, TPU, nylon, or even partly used everyday spools keep moving between the dryer, printer, and storage shelf.
Short answer
This is a solid buy if your actual problem is keeping already-dry filament sealed between uses. It is a weaker fit if your real problem is that the filament is already wet and you still need a dryer first.
What problem this kit actually solves
A lot of benches lose their moisture-control gains through lazy storage. A more complete bag-and-pump setup helps when open spools move in and out of use often enough that resealing friction starts breaking the routine.
- resealing open spools after drying
- keeping partly used materials from sitting exposed between jobs
- building a cleaner routine around moisture-sensitive materials
- buyers who would rather buy one ready kit than piece together storage bits separately
Amazon listing highlights
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- 【Packing List】One eSUN Vacuum Kit Pro 2 includes Upgraded Vacuum Bags*10, Upgraded Electric Pump*1, Sealing Clip*2, Discoloration Desiccants*15. One Kit 28pcs in total, which can satisfy storaging 10 used filaments at the same time.
- 【Upgraded Electric Pump】New released upgraded efficient electric pump, which can solve the suction problem of vacuum bag valve as well as bring you efficient vacuum experience. Upgraded sealing ring of the pump makes it perform better on air sucking.
Who this fits best
- makers rotating several open spools through dryers and printers
- buyers trying to hold moisture-control gains longer between sessions
- owners who want a more repeatable dry-then-store habit
- people managing PETG, TPU, nylon, or other more moisture-sensitive filament lanes
Where it helps most
- post-dryer storage for open spools
- active benches with several materials in circulation
- print quality workflows where humidity drift keeps showing up later
- buyers who know the storage habit is the weak link, not the dryer itself
Where it may be overkill or limited
- very occasional printing with only one or two easy PLA spools
- buyers who already have a storage-bag system they use consistently
- workflows that still need real drying more than better storage discipline
Why this page stands on its own
GoodPrints already covers dryers and broad storage choices, but this product earns a dedicated review because it answers a narrower buy question: is a more complete resealing setup worth it when open spool turnover is frequent enough that cheap loose storage stops being reliable?
That is a real buyer angle. It keeps the page useful even without the affiliate link because the core decision is about protecting spool condition, not just buying one more accessory.
What to watch before you buy
This does not replace a dryer. If the filament is already wet, you still need to recover it first. If the real issue is sloppy post-drying storage or open spools sitting out too long, that is where this kit makes more sense. Pair it with the drying guide and the storage guide if you are tightening the full moisture-control workflow.
Final take
The eSUN Vacuum Kit Pro is a strong fit for makers who want a cleaner dry-then-store routine for open spools instead of losing print-quality gains to lazy storage. It is most useful when you already know sealed storage is part of the real workflow.
Affiliate link: Check eSUN Vacuum Kit Pro on Amazon.
Frequently Asked Questions
Is this better than buying plain storage bags by themselves?
For buyers who want a more complete setup, often yes. The main value is convenience and repeatability.
Does this replace a filament dryer?
No. It helps keep spools drier after storage or drying, but it does not do the same recovery job as a real dryer.
Who gets the most value from a kit like this?
Makers with several open spools in rotation get the clearest benefit, especially when they are already trying to manage humidity more seriously.