Energy Recovery, Inc. designs and manufactures energy-saving technology. The Company’s segments include Water and Emerging Technologies. The Water segment develops, sales and supports PX, hydraulic turbochargers and pumps used in seawater desalination and wastewater treatment activities. The Emerging Technologies segment develops, sales and supports activities related to emerging technologies, such as the PX G1300 used in industrial and commercial refrigeration applications. Its solutions are marketed, sold in, or developed for, the fluid-flow and gas markets, such as seawater and wastewater desalination, natural gas, chemical processing and CO2-based refrigeration systems, under the trademarks ERI, PX, Pressure Exchanger, PX Pressure Exchanger (PX), Ultra PX, PX G, PX G1300, PX PowerTrain, AT, and Aquabold. Its pressure exchanger technology acts like a fluid piston, transferring energy between high- and low-pressure liquid or gas through continuously rotating ducts.