The glass tank dispenser is designed so customers can refill their own bottles with purified water. The unit includes a 6 Stage Reverse Osmosis system, all filters and pressure tank with extra sediment filter, as well as a blue light, bubbler.The table is made from stainless steel and includes 2 taps for the refill of 5 liter bottles and one for a 25 liter container The unit comes with an air filter and 500mg ozonator to ensure that the water in the glass tank stays clean and sterilized.