Thank you for viewing! ☺︎ • Brand new, unused (operation not confirmed) ✅ TH658-1S Replacement Water Filter Cartridge, Set of 3 ※ Since this is new and unused, we are unable to answer detailed questions. Compatible models: TKHG37JX, TKHG38JRX, TKHG38JX, TKHG38PEX, TKHG38PJRX, TKHG38PJX, TKHG39JX, TKW38PJ1RX, TKW38PJ1X, TKW38PJRX, TKW38PJX, TKG37JX, TKG38PJRX, TKG38PJX, TKG39JX, TK302A1X, TK302AX, TK304AX, THB34, THYB13 【 Water Filter Cartridge Materials 】 The filtration materials are activated carbon, non-woven fabric, and hollow fiber membrane (raw material: calcium aluminate), which can adsorb impurities in tap water. It reduces the environmental burden at the time of disposal, with a water flow rate of 1200 L per filter core, a maximum removal rate of 95%, and the ability to remove 5 types of substances. Compatibility: TH658R, TH658, TH658-1R, TH658-1 Model number: th658s-1s, th658s 203-1250