OEM & ODM · Custom Formula · Fragrance · Packaging · Private Label
300 mL Moisture Absorber Desiccant Box
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300ml Ideal Capacity – Perfectly sized for small to medium enclosed spaces, delivering effective moisture control without taking up too much room.
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Powerful Moisture Absorption – Filled with highly absorbent calcium chloride granules that actively capture excess humidity, preventing mold and mildew at the source.
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Visible Water Collection – Transparent container lets you see the absorbed moisture turn into water – you’ll know exactly when it’s time for a refill.
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Versatile Use – Works anywhere: wardrobes, shoe cabinets, bookcases, storage bins, cars, RVs, and more.
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No Power Needed – Simply peel off the seal and let it work silently 24/7 – zero electricity, zero noise.




Why You Need a 300ml Dehumidifier Box
Rainy seasons, humid summers, or damp winters – moisture can sneak into your closets and cabinets, leaving behind:
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Musty odors on clothes and linens
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Mold spots on leather goods, shoes, and bags
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Damp-feeling bedding and blankets
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Damaged books, documents, or electronics
This 300ml Dehumidifier Box acts as your silent guardian – continuously absorbing excess moisture from the air, keeping your belongings fresh, dry, and protected. It’s an affordable, hassle-free solution for everyday humidity problems.
How It Works – Simple but Effective
The science behind it is straightforward, and the results are visible:
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Peel & Activate – Remove the aluminum seal on top. The breathable moisture-locking paper allows humid air to enter.
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Absorb & Lock – The high-purity calcium chloride granules inside absorb moisture from the air, gradually dissolving into a liquid.
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Collect & Contain – The absorbed water flows down into the collection chamber below. The one-way breathable paper ensures moisture never leaks back into the air.
No plugs, no batteries, no complicated setup – just pure, passive dehumidification that works around the clock.
Key Specifications
| Feature | Details |
|---|---|
| Capacity | 300ml / ~100g |
| Main Ingredient | Anhydrous Calcium Chloride / Dihydrate Calcium Chloride |
| Housing Material | Durable PP plastic, impact-resistant |
| Moisture-Locking Paper | Imported one-way breathable paper |
| Variants Available | Unscented / Scented (with fragrance beads) / Charcoal-infused (odor-eliminating) |
| Lifespan | Approximately 2–4 months (varies by humidity level) |
| Ideal For | Closets, shoe cabinets, drawers, bookcases, storage bins, vehicles |
Frequently Asked Questions (FAQ)
Q: What should I do when the box is full?
A: Once the water collection chamber reaches the fill line, or the calcium chloride granules have completely dissolved, the box is spent. Discard the liquid (note: the liquid is alkaline – avoid contact with skin and eyes), recycle the empty container, and replace it with a new box.
Q: Is it safe? Will it leak?
A: High-quality dehumidifier boxes use sturdy PP plastic and reliable locking paper, so they won’t leak under normal use. However, the collected liquid is alkaline – do not drink it, and keep it away from children and pets. If accidental skin contact occurs, rinse thoroughly with water.
Q: How long does one box last?
A: Lifespan depends on ambient humidity. Under typical closet or cabinet conditions, a 300ml box lasts approximately 2 to 4 months. During extremely humid seasons (e.g., monsoon or rainy periods), it may be consumed faster.
Q: Scented, unscented, or charcoal – which should I choose?
A:
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Unscented – Best for sensitive users, food storage areas, or baby-related spaces.
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Scented – Adds a subtle, pleasant fragrance while dehumidifying – great for closets and cars.
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Charcoal-infused – Absorbs both moisture and stubborn odors – ideal for shoe cabinets and pet areas.
| weight | 100g |
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