[Applicable humidifier]: Our filter elements 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]: Our ultrasonic humidifier filter elements helps to reduce the white powder 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. Cartridge 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. A pack of 12 filters can be used for several months and are easy to replace. The filter elements is replaced every 30 to 40 times, depending on the hardness of the watercolor: bluematerial: plasticPackage Contents:12 x filtersOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.