LIXIL kitchen water filter cartridge. This was kept as a replacement. (Purchased for around 14,000 yen) I am selling it because I will not be using it. INAX Model JF-45N Built-in water purifier water filter cartridge Removes 17+2 substances Unopened. The outer box is slightly dirty because it was stored in the kitchen. Please understand. JF-45N compatible cartridge for touchless faucet water purifier, replacement water filter cartridge, JF-45N for kitchen faucet replacement cartridge, high-performance type, compatible with kitchen parts, LIXIL/INAX built-in