Histeresis is a distribuitor in Romania for VACGEN - Manufacturer and supplier of vacuum components to industry, education, research and development, and the scientific community. With over 50 years of experience in both HV and UHV technology, VACGEN provide an extensive range of vacuum components from manipulators, ultra high vacuum valves, aluminium gaskets to sapphire viewports. VACGEN provides a comprehensive range of vacuum fittings and components that are manufactured to the highest standards.