Cotton Filters for Optimal Air Humidification: Our humidifier filter sticks made of pure cotton offer excellent absorbency and ensure even moisture distribution, Ideal for ultrasonic humidifiers, evaporators and aroma diffusers for a fresh indoor climate in living rooms, bedrooms or offices Perfect Fit & Easy Handling: With a length of 20 cm and a diameter of 0.8 cm, the filter sticks fit most common humidifier models, Simply insert, add water or essential oils, and enjoy clean, humidified air without complicated installation Long Durability & Practical Bulk Pack: 10 pieces per pack, sufficient for weeks of use, Each cotton wick lasts 1-2 weeks (change more frequently with oils), Sustainable alternative to disposable filters Safe & Environmentally Friendly: The filter cotton sticks are free of pollutants, environmentally friendly and ideal for allergy sufferers, They filter impurities from the water, ensuring pure, healthy air in your rooms Versatile Use for Any Room: Whether in the car, hotel, children's room or home office – our humidifier sticks effectively regulate humidity, Especially recommended during dry heating periods or in air-conditioned rooms