Package Content: Provides you with 20 replacement humidifier sticks, enough to meet your daily use and replacement needs, can be used for a long time. Features Practical: The white humidifier filter element has the characteristics of good elasticity, even pore distribution, good water absorption, good water storage and good volatilization stability, which is convenient for your use. Material: The humidifier filter rod is made of filter material, which absorbs water well, don’t worry about warping and pilling when soaked in water, supports a variety of fragrances, liquids and other solvents to help your humidifier perform better. Size Information: The wick of the humidifier measures approx. 3.9"/10cm in length, 0.3"/0.8cm in diameter, compact and lightweight, suitable for a variety of humidifiers, suitable for daily office, bedroom and travel use > Simple Operation: The mini filter filler rod is easy to remove and install, it doesn’t take much time, you can use tap water to fully wet