Thank you for viewing. This is a genuine TOTO 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) This is a consumable item that requires regular replacement, making it ideal for stocking or as a replacement. 【Product Condition】 Apart from the item opened for photography, a new, unopened product will be sent for shipping. ・Unused, new ・Stored at home 【Notes】 ・Please be sure to check the compatible models on the manufacturer's official website, etc. ・Due to being 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 welcome. If you have any questions, please feel free to comment. Thank you.