10Pcs Humidifier Filter Sticks Sponges Refill Stick Filter Cotton Sticks

• Size: (Dia.) x (H) 7 x 130mm / 0.28 x 5.12 in (appr.) Compatible for USB water bottle caps humidifier.
• Porosity distribution; absorbent particularly strong, water storage capacity, volatile stability.
• Not water-soluble, non-stick blocking, to maintain the consistency of volatile agent speed.
• Effective foam filter will enable a pure stream of water steam to freshen the air, which will ensure your ability to breathe more comfortably.

Experience fresh, comfortable air with our 10-pack humidifier filter sticks, designed to fit USB water bottle cap humidifiers. Measuring 7cm in diameter and 13cm in height, these white, pencil-shaped filters are crafted from durable, non-stick plastic. They boast a high water storage capacity and strong absorbency, ensuring a consistent, pure stream of steam to freshen your bedroom or living room air. Each filter weighs just 11 grams, making them easy to replace. Compatible with USB power, these manual filters are an ideal, low-maintenance solution for maintaining optimal indoor humidity levels.