Purchased on Amazon, new and unused. I am selling it because I accidentally bought the wrong model number. Because the outer box is thick, I will take it out of the outer box and fold the contents and outer box for shipping. JC0032ST Compatible Water Purifier Cartridge JC0032ST Cartridge Compatible High Removal Performance Type 16 Substances Removed (1 piece) Model Number: JC0036ST (Compatible) High Removal Performance Type [JC0036ST, JC0032ST compatible] [Compatible Water Purifier Models/Faucet Model Numbers] JA Series: JA490MN/JA490MK[cold], JA497MN/JA497MK[cold], JA396MN/JA396MK[cold], JA390MN/JA390MK[cold]. JY Series: JY297MN/JY297MK[cold], JY296MN/JY296MK[cold], JY290MN/JY290MK[cold], JY196MN/JY196MK[cold], JY190MN/JY190MK[cold]. JL Series: JL306MN/JL306MK[cold], JL307MN/JL307MK[cold], JL326MN/JL326MK[cold], JL327MN/JL327MK[cold], JL336MN/JL336MK[cold], JL336AN/JL336AK[cold], JL337MN/JL337MK[cold], JL337AN/JL337AK[cold], JL346MN/JL346MK[cold]/JL346AK, JL347MN/JL347MK[cold]/JL347AK, JL356MN/JL356MK[cold], JL357MN/JL357MK[cold], JL366MN/JL366MK[cold]/JL366AK. Purification Capacity: Free residual chlorine, CAT (pesticide), 2-MIB (moldy odor), soluble lead, total trihalomethanes, chloroform, bromodichloromethane, dibromochloromethane, bromoform, tetrachloroethylene, trichloroethylene, anionic surfactants, phenols, geosmin, benzene, 1.2-DCE Replacement目安: For families of 5 or more: about 2 months (20L per day), for families of 3-4: about 3 months (13L per day), for families of 1-2: about 4 months (10L per day). Material: ABS resin, activated carbon (fiber), ion exchange resin, non-woven fabric.