Mitsubishi Chemical Krinsui Built-in Water Filter (For Undersink Type) Water Filter Cartridge Krinsui BUC12001 For Removing Substances Defined by JIS S 3201 Household Water Filter Test Method, 12 Substances Including Removed Substances Including Free Residual Chlorine, Turbidity (Germs, Fine Particles, etc.) Roform, Broc. Modichloromethane, dibromochloromethane, bromoformm, tetrachloroethylene, trichloroethylene, total trihalomethane, cats (pesticide), 2-MIB (mold odor), soluble lead.