【New, Unused】【Ships Today】 "TH658-1S Water Purifier Cartridge Set of 3, Compatible with TOTO (TH658S/TH658R/TH658/TH658-1R Compatible) All-in-One Chlorine Removal Cartridge, Replacement for Water Purifier/Faucet Combination Faucets and Water Purifier Faucets, Built-in Water Purifier Cartridge for Wall-Mounted Single Handle Mixing Faucets" *The product will be repackaged after removing it from the outer box for shipping.* About this product: 【JIS Standard Tested】: Tested based on JIS standards by a specialized Japanese organization, confirming both safety and performance. You can use it with peace of mind. 【Compatible Product, TOTO Compatible】: Replacement cartridge for TOTO spout-in type (water purifier integrated faucet). Compatible with many model numbers such as TH-658-1S / TH658-3. This is not a genuine product. 【High Water Purification Performance】: Removes 7 substances (free residual chlorine, CAT, mold odor (2-MIB), soluble lead, phenols, geosmin, anionic surfactants). Uses hollow fiber membrane, ion exchange fiber, activated carbon, and non-woven fabric as filter materials. 【Long-lasting Set of 3】: Replacement目安 is approximately 4 months/cartridge when using 10L per day. The set of 3 can be used for approximately 1 year. *The replacement period may vary depending on the usage environment (water volume, water quality, water pressure, etc.). 【Precautions for Use】: After replacement, be sure to run purified water for more than 1 minute before use. Please check the product description for details on applicable cartridge model numbers and faucet body model numbers.