Demineralization Cartridge Filter for HoMedics and Vicks Ultrasonic Humidifiers, 10-Pack Decalcification Cartridge for Humidifier and Calcium Filter Replacement, Prevents Hard Water Build-Up

10 Packs Ultrasonic Demineralization Humidifier Replacement Cartridges Filters. FOUNCTIONS 1. Provide clean and fresh air. 2. Prevent residue from collecting on your home. 3. Extend the lifespan of humidifier. ADVANTAGES: ? Good perfomance. ? Easy installation. ? Broad compatibility. ? Health and clean water mist. If you're having troubles installing, watch a YouTube video - it's not that difficult at all. Thanks for choosing this part for your needs. Any questions, please contact with us, we will reponse in 24 hours.