Product Name: P-77MJR Replacement Filter (Discontinued) Unused/Opened This is a replacement filter for alkaline ion water purifiers PJ-A78 / A58 / A77 / A57. The outer box has been opened to check the contents, but the filter itself is unused. ● Manufacturer's Suggested Retail Price: 12,100 yen (tax included) ● Removal Targets: Free residual chlorine, turbidity, total trihalomethanes ● Replacement目安: Approximately 2 years (when using 30L/day) This is a discontinued product, perfect for those looking for stock. It will be carefully packaged and shipped via Yu-Pack or other shipping methods depending on the region.