Auto Water Vending Machine 1.Capacity:400~1300GPD 2.7 water purification steps 3.Economy;stability;easy operate & maintain Auto Water Vending Machine:Self-help purified water sales machine applied in public places, such as communities, units, streets, subway and schools. Coin and touch-free IC card sales modes, economic, convenient and sanitary.Applied American advanced RO anti-penetration filter ...