Premium Materials: The filter refill is made of good-Quality fiber cotton. It will not rot or become moldy after being soaked for a long time. It can effectively filter impurities in the water and extend the service life of the humidifier

Strong water absorption: The porosity of the humidifier filter stick is evenly distributed, strong water absorption, and large water storage capacity can keep the humidifier's mist large and fresh

Easy to use: The humidifier cotton wick refill is easy to replace and install. It is suitable for most small humidifiers, portable humidifiers and usb humidifiers used in home or offices

Fits 0.3" Hole: Please measure the diameter of the diffuser wick in advance before purchasing. The diameter of our filter replacement is about 0.3 inches. If you have any questions, please feel free to contact us and we will deal with it as soon as possible

Sufficient Quantity: The package contains 60 pcs of humidifier sticks, each piece is about 4 x 0.3 inches（length x diameter）, it's sufficient quantity for daily use