PR1 – Series Reverse Osmosis Systems are designed for overall superior performance, high recovery rates, minimal energy consumption and offer great savings with low maintenance and operation costs. PR1 – Series Reverse Osmosis Systems feature a new, innovative design. These systems feature only the highest quality components, including a programmable computer controller with many built–in standard features, a stainless steel booster pump for high performance and corrosion resistance, ultra low energy membranes and fiberglass membrane housings for enhanced performance and durability. PR1 – Series Reverse Osmosis Systems have been engineered for capacities ranging from 1,800 – 21,600 gallons per day.