Research and Production Company (RPC) Mediana-Filter, which emerged from the Moscow Power Engineering Institute in 1997, now has a team of over 300 people and representatives throughout Russia, Ukraine, Belarus, and Kazakhstan.
RPC Mediana-Filter is an equipment and technology provider for a range of water and wastewater treatment systems. For the microelectronics industry, the company designs and manufactures technology for ultrapure water production, including ultrafiltration pretreatment systems; multiple stage reverse osmosis systems; membrane degassing; electrodeionisation; and ultraviolet disinfection systems. 
The company also has its own range of fittings, piping, valves, and instrumentation controls for high-purity applications. This brand-Ventar-was developed in cooperation with leading European companies in conveyance equipment such as Georg Fischer, Burkert, FIP, John Guest, and Abro Armaturen.