F8 High Grade Water Filter for the Leveluk Kangen 8 + 1 Electrolysis Enhancer  Removal of chlorine.  Filter replacement interval: Every 1500 gallons (Approx. 3-6 months. Replacement intervals vary depending on usage and water quality).  For best water qualities & results, replace after every 6000 liters of water usage when the system prompt for filter change or every 6 months. • Does not fit other Leveluk series machines. IMPORTANT NOTE: ***Please reconfirm your filter choice above to ensure you have selected the proper filter for your machine*** *** Note:  We are not responsible for wrong filter orders. ***