Feature:1. The humidifier cotton swab adopts highquality fiber cotton material, which is durable to use.2. Regular appearance, full, white color, good elasticity, not easy to drip leakage.3. The porosity is evenly distributed, the water absorption is strong, and the water storage capacity is large.4. Stable volatility, nonwatersoluble, nonsticky, and maintain the consistency of water volatilization rate.5. It can be matched with various types of perfumes, liquid medicines and other water solvents.Specification:Item Type: Cotton Swab FilterMaterial: Fiber CottonWeight: Approx. 29g / 1ozSize: Approx. 5x80mm / 0.2x3.1inApplicable: Humidifier, perfume volatilization, atomizer, aromatherapy machine.Package List:30 x Cotton Swab FilterNote:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. It is recommended to replace it once every 2‑3 months or when the amount of fog is small.