Thank you for viewing! ☺︎ • Brand new, unused (operation not confirmed) ※ Since it is brand new and unused, we cannot answer detailed questions. Compatible product numbers: JF-1450SX(JW), JF-1450SX/SE(JW), JF-1450SXN(JW), JF-1450SXN/SE(JW), JF-1451SX(JW), JF-1451SX/SE(JW), JF-1451SXN(JW), JF-1451SXN/SE(JW), JF-1460SX(JW), JF-1460SXN(JW), JF-2430S(JW), JF-2432S(JW), JF-2432SN(JW), JF-2450SX(JW), JF-2450SXN(JW), JF-2450SXN/SA(JW), JF-2451SX(J) 【Replacement目安/Guidelines】 Families of 5 or more (20L per day) Approximately 2 months, families of 3-4 (13L per day) Approximately 3 months, families of 1-2 (10L per day) Approximately 4 months. Using high-performance activated carbon, it achieves the industry's smallest compact size. It is easy to handle the faucet body and replace the cartridge, and it is a user-friendly cartridge that does not take up much storage space. In addition to the performance of the standard type, it removes more than 95% of chlorine! For safer and more delicious water! It has also passed the "turbidity" test, which is an evaluation item for the removal performance of red rust, etc., that occurs in water pipes, so we deliver safe purified water. 12+1 substances highly removed】Free residual chlorine (chlorine), PFOS/PFOA, turbidity, soluble lead, 2-MIB (moldy odor), CAT (pesticide), bromoform, tetrachloroethylene, trichloroethylene, benzene, geosmin, anionic surfactants, phenols, and other substances are removed, transforming tap water into clean and delicious water. 223-1000