Unopened Cleansui faucet-mounted water purifier cartridge MDC01S (1 piece). Purchased as a set of 4 in July 2024 from the official Cleansui shop on Yahoo! Shopping. —-The following is quoted from the Yahoo! Shopping Cleansui official shop—- ★ Cartridge for the MONO series faucet-mounted water purifier, offering plenty of use ● Check window allows you to see the dirt on the cartridge at a glance ● Delivered in eco-packaging, a simple package that is friendly to the earth ※ Individual boxes are not included. ■ Sterilization: Sterilizes with a hollow fiber membrane filter. Removes turbidity and red rust, as well as fine particles. ■ Type of filter media: Hollow fiber membrane (polyethylene), activated carbon + ceramic ■ Filtration flow rate: 1.6L/min ■ Purification capacity: Free residual chlorine, turbidity, chloroform, bromodichloromethane, dibromochloromethane, bromoform, tetrachloroethylene, trichloroethylene, total trihalomethanes, 2-MIB (moldy odor), CAT (pesticide), soluble lead, 1,2-DCE※, benzene, anionic surfactants, phenols, geosmin (moldy odor), PFOS and PFOA※, iron (fine particles), aluminum (neutral) ※cis-1,2-dichloroethene and trans-1,2-dichloroethene ※PFOS: Perfluorooctanesulfonic acid PFOA: Perfluorooctanoic acid ■ Replacement period of filter media: Approximately 3 months (when using 10L per day) ■ Compatible models: MD301, MD211, MD101, MD1-BK, MD103, MD111 ■ Related keywords PFAS PFOS PFOA Organic fluorine compounds