Already purchased, OK Box included TH658-1S Replacement Water Filter Cartridge for Faucet (Set of 3) Compatible models: TKHG37JX, TKHG38JRX, TKHG38JX, TKHG38PEX, TKHG38PJRX, TKHG38PJX, TKHG39JX, TKW38PJ1RX, TKW38PJ1X, TKW38PJRX, TKW38PJX, TKG37JX, TKG38PJRX, TKG38PJX, TKG39JX, TK302A1X, TK302AX, TK304AX, THB34, THYB13 [Regarding Purchase] Although we inspect items before shipping, we are amateurs, so please refrain from purchasing if you are looking for a perfect product. I will do my best to ensure a pleasant transaction, so thank you for your understanding.