PATIKIL 20pcs Humidifier Cotton Filter Sticks Cool Mist - USB Mini HumidifiersPortable Diffuser Humidifier - White 3.94 x 0.28 Inch

The humidifier cotton stick can be freely cut, you can cut the appropriate length according to your humidifier.

The humidifier stick is made of good quality fiber cotton, it has good elasticity, strong water absorption, water storage capacity, and volatilization stability; It is capable of filtering sediment from water, increasing air humidity, and extending the life of humidifiers.

It is insoluble in water and not easy to stick, suitable for kinds of perfume, and other water solvents.

Replace this humidifier filter stick every 1-2 months for cleaner mist and better air quality at home, office, or in your car.

NOTE: Replace the cotton filter stick if mist decreases, and check its diameter before purchase.