Replacement absorbent filters for portable humidifiers and ultrasonic humidifiers. Doesn't take up space! Use it anywhere! A convenient portable humidifier that will be a great help in the coming season. If you use it for a long time, the amount of mist may decrease, and you may be concerned about hygiene, such as dirt and mold. In such cases, you can easily replace them♫ These are replacement stick refills made of cotton material. We have prepared 20cm cotton swabs so that they can be used with a wide range of humidifiers, from stylish mini humidifiers to those with height (length) like a pet bottle cap. Please cut them to fit the size of your humidifier. +:-:+:-:+:-:+:-:+:-:+:-:+:-:+:-:+:-:+:-:+:-:+:-:+ 【Size】 8mm x 20cm 【Quantity】 4 pieces Before use, soak the replacement filter in a cup, etc., and allow it to absorb enough water before use. If you still feel that the mist is not being emitted or the amount of mist is small, try wiping both sides (front and back) of the humidifier's outlet with a cotton swab soaked in water (to remove scale, etc.). +:-:+:-:+:-:+:-:+:-:+:-:+:-:+:-:+:-:+:-:+:-:+:-:+ * We use [simple packaging] to reduce shipping costs. Shipping methods vary depending on the item. * Basically, we do not accept returns or exchanges. * We handle many products from overseas. We carefully inspect them before listing and shipping, but please be aware that they have unique product quality. * Product images may differ from the actual image depending on the environment in which they are viewed.