A reverse osmosis system costs from $150 to $300, plus $100 to $200 annually for replacement filters. Reverse-osmosis filters remove many pollutants and chemicals, separating them from the water ...

The Ecowater ERO-375 is part of the Water Filters test program at Consumer Reports. In our lab tests, Reverse Osmosis Water Filters models like the ERO-375 are rated on multiple criteria ...