... water machine use deeply treatment, reverse osmosis( hard water with two grade reverse osmosis technology), ion exchange system, ultrafiltration, UV lamp etc multi ... state. Advantages 1. Intelligence and LED color screen control system: show multiple states, water shortage, water overflow, making ... single stage-01: Tap water(TDS≤200ppm); RO two stages-02: Tap water(TDS>200ppm)Water Production 5L/hr ...