General Knowledge - What is RO System?

2020.09.07

Every time when we visit the water purifier shop, seller introduces the product with technical terms which really confuse us. 

“RO” was named from the former two letters of Reverse Osmosis; full name is Reverse Osmosis water purifier. This system is normally as be called “RO system”.
At present, RO system is still one kind of best-selling, the safest household used water filter all over the world.