Why do you need to change filters at their specified time? - To maintain your health first - To preserve the device's lifespan and make it last longer with you - Because filters have a specific lifespan, and once it ends, they must be changed. If the filters are not changed, many problems will arise, including: - Increased salts in the water - Increased sediment and bacteria in the water - Complete change in water taste - Complete or partial blockage of filters - Reduced effort of the device's motor RQ MAX Company for Water Purification and Desalination Provides you with the finest types of filters that last a long time and relieve you of water worries completely - Six-month filters - One-year filters - Two-year filters Contact: ( Phone number appears when clicking the contact button )