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4A Molecular Sieve Desiccant for 3D Printer Filament 2LB Beads Kit with Digital
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4A Molecular Sieve Desiccant for 3D Printer Filament 2LB Beads Kit with Digital
Price: US $30.75

4A Molecular Sieve Desiccant for 3D Printer Filament 2LB Beads Kit with Digital


Product description





  • What filament types does this desiccant protect?

    This 4A molecular sieve desiccant is designed to help protect a wide range of filament materials during storage, including PLA, PETG, ABS, TPU, PA and more. It is suitable for use in Bambu AMS systems, filament dry boxes and sealed spool containers.

  • Does this desiccant contain cobalt chloride?

    No. It contains no cobalt chloride color-change chemicals. Use the included digital hygrometer to monitor humidity and know when the desiccant needs recharging.

  • Can I use these beads with DIY 3D printed desiccant boxes?

    Yes. The 3–5mm beads work with organza bags, DIY 3D printed desiccant boxes, AMS trays, spool inserts, and dry box containers.

  • What is included in the kit?

    Each kit includes 2LB of 4A molecular sieve beads, 1 digital hygrometer, 10 reusable organza bags and 1 measuring scoop. Everything you need to set up moisture control across multiple filament spools or storage containers is included in one package.

  • When should I recharge the desiccant beads?

    Check the digital hygrometer regularly. When humidity rises above your target level, recharge the beads with controlled heat, let them cool completely, then reuse.

  • 【Designed for 3D Printing Filament Storage】Built for 3D printing users, this filament desiccant helps protect PLA, PETG, ABS, TPU, PA and other spools from moisture during storage. Ideal for Bambu AMS systems, filament dry boxes, sealed spool containers and daily filament care
  • 【Safer Non-Indicating Formula — No Cobalt Chloride】Unlike some blue indicating silica desiccant beads that may contain cobalt chloride, this 4A molecular sieve formula uses no color-change indicator chemicals. Instead, the included digital hygrometer lets you monitor humidity directly, so you can easily check when your filament storage space needs recharged desiccant.It works as a safe moisture absorber for filament storage, electronics, tools, cameras and other moisture-sensitive items
  • 【Flexible Use with Bags or DIY Printed Desiccant Boxes】Use the included organza bags for quick portioning, or place the beads into your own DIY 3D printed desiccant box, AMS desiccant tray, spool holder insert or dry box container. This design gives users more flexibility than fixed desiccant packs for 3D printer storage
  • 【Ultra Low Humidity Control for Better Printing】4A molecular sieve beads are designed for strong moisture adsorption and low-humidity storage, helping reduce common wet-filament issues such as stringing, popping, bubbling, brittle filament and rough surface finish. A practical 3D printer filament storage desiccant for makers who want more stable printing results
  • 【Complete 2LB Reusable Moisture Control Kit】Package includes 2LB 4A molecular sieve beads, 1 digital hygrometer, 10 reusable organza bags and 1 measuring scoop. The 3–5mm beads are easy to scoop, pour, recharge and reuse, making this kit a convenient desiccant for 3D printer users who manage multiple filament spools





Package Dimensions
7.76 x 5.67 x 4.17 inches



Item Weight
2.35 pounds



Complimentary Shipping and Easy Returns

  • Need to return something? Enjoy our 30-day hassle-free return policy!

  • Take advantage of free shipping across all 48 contiguous states!

  • Your order will be dispatched within 1-2 business days once payment is confirmed.

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