Thank you for viewing this item! Cylindrical cartridge TK7815C1 for water purifier, light blue - Model: TK7815C1 - Color: Light blue - Shape: Cylindrical - Application: Water purifier cartridge To prevent any issues, please feel free to ask any questions about the condition, etc. Please understand that this item has been stored by a private individual. Although it is unopened and new, it has been in someone's possession, so please refrain from purchasing if you are concerned about minor details. *Please feel free to comment with offers for a discount. *I do not have any pets. I do not smoke.