Brand new, unopened. Ships via Yu-Packet Post Mini. [JIS Standard Domestic Inspection Passed] PZS150 Replacement Cartridge for Water Purifier Built-in Faucet High Performance (High Flow) Type [Removes 12+1 Substances] Compatible Product (One Cartridge) [Check Your Faucet] KM6001(Z)EC, K1600(Z), KM5001(Z)NEC, K1610(Z)N, ZS202(Z)N, MSK110KEJST [Choice of Filter Media] Activated Carbon: May adsorb pesticides, solvents, industrial waste, and chemicals, and helps to reduce strange odors. In addition, it can remove harmful substances such as chlorine, chloramine, phenol, and tannin. Ion Exchange Resin: Used in water treatment processes for softening water, desalination, and heavy metal removal. Non-woven Fabric: Filters out large particles such as rust and soil. [Durability] The replacement period for the water purifier cartridge is 4 months per cartridge (using 10L/day). Regular cartridge replacement is necessary to maintain water purification performance. The total filtration volume is 1,200L, which is the guideline for cartridge replacement. The replacement period may be shortened depending on water usage, water quality, and water pressure. [Compatible Part Numbers] PZS150, PZS160, SEPZS2103PC, TH658-1S, TH658-3. Although the manufacturers and part numbers are different, the compatible faucets are the same, so it does not affect the water purification performance. [Safety Precautions] ① Do not drop the water purifier cartridge. It may be damaged and not perform satisfactorily. ② Do not place hot kettles or frying pans near the water purifier cartridge or water purifier hose in the cabinet. ③ Use only water for purification. Also, after using hot water, run the purified water for about 10 seconds. ④ Before using each morning, run the purified water for about 10 seconds. Because it removes residual chlorine, bacteria can easily multiply, which may cause you to feel unwell.