Thank you for viewing. This product is used in drinking water and rice cookers. Using the power of charcoal, it adsorbs chlorine and musty odors from tap water, bringing out the original flavor of the ingredients. Drinking water: Approximately 200 uses Rice cooking: Approximately 100 uses (Confirmed with Kyocera) Suggested retail price: 6,600 yen (tax included) Although it is new and unused, please understand that it has been stored by a private individual before purchasing. (There are some dents and scratches on the outer box) ★Please let me know if you need more than one.