Small household ultrafiltration system: generally priced between $800 and $3,000, suitable for household daily water purification. Such systems usually have a processing capacity ranging from a few hundred liters to a few thousand liters per hour.

RO systems used in clinics, laboratories or small medical institutions have a processing capacity of 500-1000 liters/hour and a price of US$5000-15000. Used in large hospitals or medical centers, with a processing capacity of more than 3,000 liters/hour, and a price of more than US$50,000.