Thank you for viewing. Takagi Mizukobo Water Purifier Replacement Cartridge Part Number: JC0036UG High Removal Performance Type Filtration Flow Rate: 4.0L/min New, Unused (Unopened) 1 cartridge I am selling the extra ones I have. Please understand that this item has been stored at home before purchasing. Discounts are not available for the purchase of one cartridge only. However, I am open to discussing a discount if you purchase two or more cartridges. If you wish to purchase multiple cartridges, I will create a dedicated page for you, so please feel free to contact me. Thank you for your interest.