Thank you for viewing. This is a set of 3 replacement cartridges for faucet-integrated water purifiers. The 3-layer structure of activated carbon, non-woven fabric, and hollow fiber membrane effectively removes impurities and odors from tap water. [Product Contents] - Set of 3 water purifier cartridges - Model Number: TH658-1S (Compatible product) [Main Features] - Removes residual chlorine, turbidity, musty odors (2-MIB), etc. - Filters catch fine particles and general bacteria. - Approximately 1200L can be used per cartridge. - Replacement目安: Approximately 4 months (depending on usage) [Compatible Models] TH658 / TH658R / TH658-1 / TH658-1R, etc. *Please check the images for details. [Condition] New, unused [Notes] - This is a compatible product, not an original genuine product. - Please check the compatible models before purchasing. Because it's water you use every day, ensure it's safe and clean. Recommended for those who want to replace cartridges cost-effectively by buying in bulk. 388-384-4900-600-455-4880-3880