Humidifier Disinfectant Solution Extremely powerful disinfecting ability! Strongly disinfects and inhibits the growth of bacteria and germs around you, which cause humidifier-related illnesses. For those who clean their humidifiers daily: Simply dilute it 4 times and add it to the tank! For those who want to disinfect thoroughly: Use the undiluted solution. 1,100 yen per bottle. 3 bottles for 3,000 yen. Please feel free to contact us.