Question 1

How many spools does each bag hold, and will it fit larger 2-5kg rolls?**

Accepted Answer

Each thickened bag is designed to comfortably hold one standard 1kg filament spool. For larger 2kg rolls, it's a snug fit but works for many users. 5kg spools are generally too large for this system. A common tip from YouTube reviewers is to use one bag per spool for the best vacuum seal and organization.

Question 2

Is the auto pump reliable, and how loud is it?**

Accepted Answer

The upgraded auto pump is praised for its speed and convenience by most users. However, as noted in some community discussions, a small percentage of units may have longevity issues. It operates with a noticeable hum during its 20-30 second cycle—it's not silent, but it's not disruptively loud for a workshop. It's powered via USB, so no batteries are needed.

Question 3

Can I use my own vacuum storage bags with this pump, or do I have to buy replacements from ELEGOO?**

Accepted Answer

The pump uses a standard nozzle size. Many users on forums like Reddit have confirmed success using it with other compatible vacuum bags (like certain food saver bags), which can be a cost-effective option for replacements. The included ELEGOO bags, however, are specifically thickened for durability with filament spools.

Question 4

How long does the vacuum seal last, and will I need to re-pump often?**

Accepted Answer

When sealed correctly, the vacuum can last for several weeks to months, depending on ambient humidity and bag handling. It's not a permanent "set-and-forget" solution. A good practice, mentioned by experienced users, is to check the bag's tightness every few weeks and give it a quick 10-second pump refresh if needed. This is far more convenient than constantly recharging desiccant in a sealed bin.

Question 5

Who is this kit best suited for, and are there simpler alternatives?**

Accepted Answer

This kit is ideal for 3D printing enthusiasts with multiple active spools who want a dedicated, visible, and organized drying system. It's a great fit if you dislike managing many containers and silica gel packs. If you only have one or two spools, a simple airtight tub with desiccant may be more cost-effective. Some users compare it to a food vacuum sealer, which is more versatile but not tailored for filament storage. This ELEGOO kit offers a streamlined, purpose-built solution.

ELEGOO 3D Printing Filament Storage Vacuum Kit with Upgrade Auto Pump and Sealing Clips, 20 Thickened Sealed Bags, Dust Proof Humidity Resistant for Keeping Dry

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