This showerhead filter employs advanced water purification technology,integrating multiple filtration layers including KDF,advanced calcium sulfite filter cartridges,activated carbon,vitamin C,and ceramic balls. It effectively removes residual chlorine,heavy metals,scale,and impurities,alleviating dry skin and itching to safeguard a healthy shower experience. Model : B0F8J54RYJ,B0F8J4J5FR,or showerheads of the same model in different colors (Filter cartridge dimensions: 5 x 2 cm) Multi-Stage Filtration System: This showerhead filter employs advanced water purification technology,integrating multiple filtration layers including KDF,advanced calcium sulfite filter cartridges,activated carbon and ceramic balls. It effectively removes residual chlorine,heavy metals,scale,and impurities,alleviating dry skin and itching to safeguard a healthy shower experience. Replacement Frequency: Depending on local water quality,it is recommended to replace the filter every 1-3 months. If the filter turns yellow or the water flow noticeably decreases,replace it promptly. Easy Installation: Installing the replacement shower head beads is quick and easy. Simply open your showerhead,remove the old filter,and replace them with the new one. No special tools..