Thank you for viewing. This is a TOTO genuine water purifier cartridge TH658-1S. It is a set of 3, unused. [Product Details] ・Manufacturer: TOTO ・Model Number: TH658-1S ・Contents: Set of 3 ・Condition: Unused (with outer box) As it is a consumable item that requires regular replacement, it is recommended for stocking or replacement. [Notes] ・Please be sure to check the compatible models on the manufacturer's official website, etc. ・As it is stored at home, there may be some scratches on the outer box. 　Please refrain from purchasing if you are concerned about this. Instant purchase is OK. If you have any questions, please feel free to comment. Thank you.