The Pentek RO-3500 is part of the Water Filters test program at Consumer Reports. In our lab tests, Reverse Osmosis Water Filters models like the RO-3500 are rated on multiple criteria ...

Smart features like digital displays and filter change alerts add ... like Zero Water Wastage, Mineral RO technology, and ...

With a 3:1 pure-to-drain ratio that leads the market, the system uses less water than traditional RO filters. Its durable filters, which last up to 24 months, also lessen the need for refills ...