Affordable 40-Piece Humidifier Filter Refill Sticks for Personal USB-Powered Humidifiers - Perfect for Office, Home, and Bedroom Use, 2 Sizes Available Review

Package contents: you will get 40 pieces white humidifier filter wicks in 2 different sizes: long core is approx. 13.5 cm/ 5.3 inch, 0.3 inch in diameter, short core is approx. 7 cm/ 2.7 inch, 0.3 inch in diameter, enough quantities for your daily use, office, room, travel use, etc. Good water-absorption: the humidifier filter has good elasticity, uniform pore distribution, strong water absorption and storage capacity and good volatilization stability. filter: made of filter material, which is insoluble in water and not easy to stick, support most kinds of perfume, liquid and other water solvents, help your humidifier work better. Protect your humidifier: when you find the humidifier produce less steam or even stop work, and the machine become more and more hot, try to replace the filter and don't worry about the service life about the humidifier (usually 1 to 2 weeks to change the filter). How to use: humidifier wicks are simple to remove and install on humidifiers, complete the process within seconds, please soak a filter stick to be wet completely before inserting to the humidifier; It is recommended to use tap water and don't drip in essential oils to be soaked (if necessary, adding a small amount of essential oil is acceptable).