10-Pack USB Humidifier Replacement Sponge Refill Sticks
10-Pack USB Humidifier Replacement Sponge Refill Sticks
Keep Your Mini USB Humidifier Running Fresh
Don't let a worn-out filter reduce your humidifier's performance. These 10-pack replacement sponge refill sticks are designed to fit virtually all mini USB water bottle cap humidifiers, ensuring a steady, clean mist every time. Made in Mainland China.
Why You'll Love These Filter Sticks
- Universal Compatibility: Works with most mini USB water bottle humidifiers and diffusers — a true one-size-fits-most replacement solution.
- Premium Filter Cotton: Crafted from high-quality absorbent cotton with excellent water absorption, storage capacity, and stable evaporation for consistent misting.
- Pure, Clean Mist: The effective foam filter allows a pure stream of water vapor to freshen the air around you — ideal for home, office, or travel use.
- Trimmable to Size: Easily cut each stick to the exact length you need for a perfect, snug fit in your humidifier.
- Non-Soluble & Non-Clogging: Won't break down in water or block the misting mechanism, maintaining consistent volatile speed for long-lasting performance.
- Porosity-Optimized Design: Even pore distribution ensures powerful absorption and reliable, uniform water output every time.
- Great Value: 10 sticks per pack means plenty of replacements to keep your humidifier fresh for months.
Product Specifications
- Material: Filter Cotton
- Color: White
- Size: Ø7 × 130 mm (approx. 0.28 × 5.12 in)
- Quantity: 10 x Filter Cotton Sticks per pack
- Condition: 100% Brand New
How to Replace Your Filter
- Unscrew the water tank cap from your humidifier.
- Pull out the filter plastic part (note the spring position at the bottom).
- Remove the old filter and insert the new filter stick.
- Reinsert the filter plastic part (ensuring the spring is seated correctly at the bottom).
- Screw the water tank cap back on securely.
Perfect Pairing
Looking for more ways to enhance your personal comfort and wellness routine? Check out these related products from our store:
- 10-Pack Natural Loofah Pads – Exfoliating Scrub Rounds
- 10-Piece Gardening Tool Kit – Iron Head & Plastic Handle
Note: Please allow 1–3 cm variance due to manual measurement. Slight color differences may occur due to screen display settings.
Learn more: EPA Safer Choice cleaning product guidance
Frequently Asked Questions
Q: Are these humidifier sponge refill sticks compatible with my USB humidifier?
A: Yes! These filter cotton sticks are designed to be compatible with most mini USB water bottle cap humidifiers and diffusers. They can also be trimmed to a shorter length if needed for a perfect fit.
Q: How often should I replace the humidifier filter sponge stick?
A: It is generally recommended to replace your humidifier filter stick every 2–4 weeks depending on usage frequency and water quality. Regular replacement ensures optimal misting performance and cleaner output.
Q: Can I cut these filter sticks to fit my humidifier?
A: Absolutely. Each sponge refill stick can be easily trimmed with scissors to the exact length required by your specific USB humidifier model, making them highly versatile and convenient.
Q: How many filter sticks are included in one pack?
A: Each pack contains 10 replacement filter cotton sticks, giving you plenty of supply for multiple replacements over time.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.