Humidifier refill filter sticks (10 pieces)

- A set of 10 white humidifier filter sticks, each stick is approx. 7 cm in length and 0.8 cm in diameter, compatible with most portable personal USB mini humidifier.
- The humidifier sticks are easy to remove and install; soak a filter stick to make it wet completely before inserting it to the humidifier; it is recommended to use clear/tap water.
- It is recommended to replace the humidifier filter stick every month. 

The filter sticks are compatible with the humidifiers on this website. If you are planning to use a different humidifier then please make sure that the length and diameter are compatible with your model.