... machine use deeply treatment, reverse osmosis( hard water with two grade reverse osmosis technology), ion exchange system, ultrafiltration, UV ... water, could meet different laboratory requirement. Each equipment has two grade water output. LED control system, independent type show ... 5--400C TempRO single stage-01: Tap water(TDSā¤200ppm); RO two stages-02: Tap water(TDS>200ppm)Water Production 5L/hr ...