Model Number: WD-G3-N3CB ???????????????????? ??????????: For WD-G3-W WD-G3P600 WD-G3P800-W ???????????????? ????????????????????: The precision filtration system effectively improves the taste and smell of water. It helps deliver clean and pure water. ?????????????? ????????????????: This filter boasts a superior coconut shell-activated carbon block with a smaller pore size, which largely adsorbs residual chlorine odor and organics, improving the waters taste. The activated carbon block is made from natural coconut shells .Please confirm whether you are allergic to it . ???????????? ?????????????? ????????: It delivers clean and pure filtered water for a full year. It also provides long-term benefits for your familys health. ???????????? ????????????????????????: It only takes a twist to change the filter in three seconds. No tools required.