Cartridge (MT-HFE23SL-CR) Set of 7. No discounts available. You can purchase them cheaper than the regular price (@1650 yen) by using coupons or campaigns. Removes up to 98.5% of chlorine, which damages hair and skin. Protects skin and hair, leaving a salon-like finish. * Total filtration capacity: Approximately 4080L. The removal capacity gradually decreases with use. * Cartridge replacement目安: Approximately 3 months (Calculated based on 7-8 minutes of use per person, with a shower water flow rate of 6L/min) * Please consider this as a guideline, as the lifespan of the cartridge varies depending on the customer's usage time and method.