[Applicable humidifier]: filter is applicable to UHE-OW14, UHE-WM85, UHE-M65, UHE-VM70, UHE-UC1, UHE-CM45, UHEC-M45B, UHECM25, UHEWM16, UHE-FM70, and can also be compatible with all 1-GALLON or larger ultrasonic humidifiers, such as evaporative, warm and cold spray[Elimination of white dust accumulation]: ultrasonic humidifier filter helps to reduce the white accumulation and pungent smell caused by hard water minerals in the humidifier, thus helping to purify water and prolong the service life of the humidifier[Package]: a package of 12 blue household desalting boxes. size: 1.8 inches (4.57CM) long x 0.9 inches (2.28CM) wide.[Easy to replace]: Just put one desalting filter into the water tank of the humidifier, and you can enjoy pure water mist. of 12 filters can be used for months and are easy to replace. The filter is replaced 30 to 40 , depending on the hardness of the watercolor: bluematerial: plasticPackage Contents:12 x filtersOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.