... 3.used for cosmetic, pharmacy, chemical industries, foodstuff, drinking water. 4.1 year guantee ro water treatment system Use:Cosmetic, pharmacy, chemical industries, foodstuff, drinking water. Feature:1 ... is within 0.1-1.0us/cm reaches to ultra-pure standard.RO-500A0.5A2.2500.1-1.0RO-10002.03 ...