Disinfectants including polyhexamethylene guanidine phosphate (PHMG) and mixtures of chloromethylisothiazolinone/ methylisothiazolinone (CMIT/MIT) have been widely used in Korea to prevent microbial growth in the humidifier water. which triggered an outbreak of serious respiratory diseases. In addition to the respiratory syndrome. disease-related symptoms including liver toxicity. https://steedaes.shop/product-category/transmission-accessories/