Deerma Water Purifier Filter For Air Humidifier - Sterilization & Health Silver Ion Air Cleaner & Kill Germs. Features: - To purify, ionize & eliminate bacteria of the water before the humidication - Suitable use for Deerma Humidifier - Can put the filter inside the suitable deerma model air humidifier - 3 layers structure enhanced purification - Sterilization rate up to 99.99% - It can kill the bacteria completely when the content of Ag+ is 0.01mm in the warter,and will not reproduce the new Bacteria group in the 90 days. - The Ag+ dissolved in the water mist can effectively sterilize bacteria in the air,effective prevention of disease. - Release bactericidal Ag+, sterilization and prevention of disease - Put it into the humidifier can sterilize most of the escherichia coli, Staphylococcus aureus and so on just put it in in the humidifier. Installation: The deerma silver ions water purifier suitable for any brand & any type of humidifier, not only deerma humidifier. Just place the purifier in a submerged place of the water tank. Deerma Boutique Life Electrical The Trusted & Reliable Brand Deerma Malaysia Original Product!