Takagi Mizu Kobo Water Purifier Replacement Cartridge Part Number: JC0066 (Removes 16+1 Substances / High-Performance Removal Type) Unused and unopened. I had been purchasing these regularly, but I have accumulated some as I was away from home for a while, so I am selling some. [Quantity] ・Set of 4 (※Not sold individually) [Condition] ・Brand new, unused ・Outer bag unopened [Reference Information] ・Manufacturer's Suggested Retail Price: Approximately 4,290 yen (including tax) per cartridge [Notes] ・Please confirm the compatible models before purchasing. ・Returns are not accepted to prevent product substitution. Instant purchase is welcome. Please feel free to comment if you have any questions.