Product Information
About
Cuttable Filter Stick: Each 7 x 130mm cotton stick can be trimmed to fit various mini humidifier tank depths, ensuring proper water absorption without oversaturation.
Strong Absorption Cotton: Made of filter cotton with stable water storage, the refill delivers steady output for small spaces like desk or bedside.
Easy Bottle Cap Swap: Unscrew tank cap, remove old filter, insert new stick, reassemble—simple maintenance keeps portable USB humidifiers running daily.
10-Pack Practical Refill: Includes ten white sponge sticks for home, office, bedroom, or travel; keeps compact humidifiers ready for continuous personal use.
Compatible with USB : Designed for water bottle cap humidifiers and portable units; restores mist output with a straightforward filter replacement.
