"Click below to buy on Amazon: Our Top of the Line Alkaline Water Ionizer Combo Includes Free 2 Heavy Metal Tests with Warranty 2 years parts Labor Operational DVDbr Has Built-in dual filters 4 stages PP cotton KDF Active carbon fiber carbon to bid farewell to an external filter system installing the water ionizer is simple and convenient Using electromagnetic valve induction technologybr Includes a Super large 38-inch LCD colorful screen the LCD Displays ORP PH flow rate temperature and process of the water in real timebr This Ionizer has 8 Super- large titanium - platinum coated plates Self Cleaningbr Only units shipped from Better Health Company come with Heavy Metal Tests br EHM 929 Alkaline Water Ionizer Combo 2 Internal Filters & 2 Heavy Metal Tests.