I purchased this item this year and only tested it once. The chlorine removal cartridge still has almost its full remaining capacity. I will also include two additional cartridges. This is a high-end showerhead famous from TV commercials. The features of "Mirable Zero" include three water flows containing ultra-fine bubbles, which were not previously available. Ultra-fine bubbles penetrate into the fine pores and crevices, thoroughly removing dirt. Retail price: 49,390 yen - Brand: Mirable - Model Name: Showerhead - Included accessories: Shower hose adapter