■ Final price. ■ Please read the self-introduction section. ■ Immediate purchase is OK. ■ 2,800 yen → Discounted on October 17, 2025 → 2,500 yen This is a replacement cartridge for waqua's Silica Pure. I will ship the item that arrived on September 25th. A 450ml dedicated bottle is required, so if you don't have one, you can order it by calling waqua directly. You can also purchase it at Shop Channel. I think it's delicious water. - Product Name: Silica Pure - Materials: Resin (ABS), stainless steel, Tritan, silicone - Filter Media: Silica ceramic balls, activated carbon, ion exchange resin, fossil coral, hydrogen ceramic balls, vitamin C ceramic - Cartridge replacement frequency: Every 100 liters, or once a month