Tupperware Alkaline Ion Water Generator Replacement Filter - Lead Removal Type With Instruction Manual ♪ How about it for those looking for one? Unopened, unused, stored at home. The box has been opened, but the plastic bag of the main unit is unopened. The box and instruction manual have scratches and stains. Please refrain from purchasing if you are concerned or if you are a perfectionist, as this item has been stored at home for a long time m(_ _)m ☆ I plan to list other items as well. Please take a look if you'd like! Search terms: Tupperware Alkaline Ion Water Alkaline Ion Generator Alkaline Ion Water Generator Cartridge Replacement Filter