This is a set of 3 replacement cartridges for Takagi's "mizu-kobo" faucet-integrated water purifier. These are made in Japan for safety and reliability, and come with tamper-evident packaging. To use, simply remove the water purifier cartridge from the bag and insert it into the grip; it's an easy replacement. Although unused, there may be some minor scratches on the packaging due to home storage. Please refrain from purchasing if you are concerned about this. [Brand] Takagi [Model Number] JC0036UG [Product Name] Mizu-kobo Water Purifier Replacement Cartridge [Quantity] 3 [Condition] New Thank you.