... , material: 304 S.S 3,control automatic 4,capacity: 500-50000LPH 5 Hydnautics membrance ... systems ,cleaning system, high and low pressure protection system ,automatic liquid level control system ,automatic alarm system ,automatically stop ... meter monitor,pressure gauge and flow meter.Equipment priceModelSingle stage RO equipmentDouble stage RO equipment full-automatic(USD)economical(USD)full-automatic ...