Mitsubishi Chemical Cleansui Replacement Cartridge for Pot-Type Water Purifier CPC7W Set of 2 boxes Although new and unused, they have been stored at home, so there may be some box damage or scratches. The plastic wrap is unopened, but the filter material from the water purifier may be visible. The instructions state to rinse it before use. Thank you for your understanding. Amazon reference price: 2 cartridges per box ¥7980 #Mitsubishi Chemical #Cleansui