Product Description (Quoted from package description) Utility model registered Design registered 〇 Removes chlorine odor, mold odor, rust, and debris, so you can always enjoy delicious water. 〇 Switching to the shower setting is very convenient for washing and also offers water-saving benefits. 〇 The activated carbon filter material is treated with antibacterial agents for hygiene. ※ When using 10 liters per day, it removes free residual chlorine for approximately 60 days. Regular price is 1,500 yen, but I am selling four together. All four are new and unopened. Please take advantage of this during the summer demand season＾＾