New, unopened, unused water purifier replacement cartridges, 4 total, TK-CK40C3 ◼︎Brand: Panasonic ◼︎Model: TK-CK40C3 ◼︎Quantity: 4 ◼︎Application: Water purifier cartridge ◼︎Product Type: Replacement cartridge I purchased these about three months ago, but I replaced my faucet, so I'd like to sell the remaining 4 cartridges to someone who needs them. The outer boxes will be folded and included. Please refrain from purchasing if you are sensitive to items stored at home. Instant purchase is welcome.