[FITS HUMIDIFIERS] Demineralization cartridge and humidifier cleaner fish work with HoMedics UHE-CM65, UHE-WM70, UHE-OC1, UHE-HDC4,UHE-CM45B, HE-CM25, UHE-CM25, UHE-WM16, UHE-OW14, UHE-WM85. Fit evaporative, warm & cool mist ultrasonic humidifier, most humidifier. Humidifier cleaner stick also perfect work with fish tanks.[REDUCE THE WHITE-DUST] Humidifier demineralization cartridge helps to prevent and reduce the white-dust caused by minerals in hard water. This hard-water"dust"can contain calcium, lime or magnesium. The demineralization filters can help extend the life of your humidifier, purifying water.[Excellent Performance]The active ingredient of the humidifier cleaner is mainly silver ion. Humidifier cleaner fish can extend humidifier wicking filter life and keep the water clean, prevent objectionable odors and reduce the number of cleanings.[EASY TO USE] Just drop one demineralization filter or cleaner stick into your humidifier tank and it will start to work. One humidifier cleaner can be used in humidifiers with a tank that is up to one gallon in size. Replace every 30-60 days. Use both at the same time for better results.[Suitable for Most Humidifiers]This humidifier cleaner perfect work with most vaporizers steamers, evaporative, ultrasonic humidifiers, warm & cool mist humidifiers, and fish tanks, also work with a humidifier wicking filter.Material:plasticcolour:BluePackage Contents:6 x Fish-shaped humidifier filter6 x Cylindrical humidifier filter elementsOnly the above package content, other products are not included.Note: Light shooting 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.