A commercial reverse osmosis plant will cost more than a residential version. The larger the plant, the higher the
RO Plant Price. A 200 LPH RO Plant is ideal for the average office, with three to four employees/students per day. The price of these units depends on several factors, including the pledge and how much water you need filtered. Whether you're purchasing a unit for your home or business, there are many different types of reverse osmosis plants.