I am selling this because I no longer use it. The set includes 7 cartridges, as I have already used one. Stylish water purifier with LED light. [Replacement Cartridge] Compatible with both MAXTRA+ and MAXTRA PRO cartridges. [Smart Light] Alerts you when to replace the cartridge based on time and usage. [Flip-top design] Easy one-handed water dispensing. [Cleaning Instructions] The main body can be washed, keeping it hygienic at all times (excluding the cartridge). BRITA Japan Co., Ltd. has conducted tests with a third-party organization in Japan, in accordance with the "JWPAS B.210 Standard for Testing Removal Performance of Water Purifiers" established by the Japan Water Purifier Association, regarding the removal of PFOS and PFOA, which are types of PFAS (organic fluorine compounds). As a result, it has been confirmed that they can remove over 80% of PFOS and PFOA. Using a BRITA water purifier for one year saves you approximately 30,000 yen *Based on using one 2L plastic bottle per day, 365 bottles (730L) per year. [BRITA Cartridge] Cost per 1L of cartridge: 11 yen x 730L = 8,030 yen [Plastic Bottle] Price of a 2L plastic bottle: 101 yen x 365 days = 36,865 yen Based on Retail Price Statistics Survey (Trend Edition) (Tokyo Metropolitan Area retail prices, average price from January 2022 to December 2022) ・The above calculations are all based on prices excluding tax (as of March 2024) - Brand: BRITA - Model Name: Water Purifier - Accessories: 7 MAXTRA cartridges - Design: Equipped with LED light Thank you for viewing.