Panasonic water purifier cartridge SESU10300SK1, ideal as a replacement for your water purifier. - Model: SESU10300SK1 - Quantity: 1 piece - Application: Water purifier cartridge This is a single item from a box of 3. Please be sure to note this. Although new and unused, it has been stored for a long time. Thank you for your understanding. The box is not included. It will be wrapped in bubble wrap and shipped via Yu-Packet Post Mini. Thank you for viewing.