Since 1991 the name Topas has stood for high-quality products and innovative efforts in the field of particle and aerosol technology. Customers from all over the world benefit from our ideas and experience as developers and manufacturers of test systems for the generation, measurement and dilution of suspended particles (aerosols). Topas is the leading specialist in the development of complex test systems for filters, filter media and separators as well as liquid filters. The company philosophy of Topas GmbH enables agile action on the current market changes and realization of customer demands. Our own research and development as well as the close cooperation with universities and research institutions have enormously expanded our know-how. The resulting solutions lead to new solutions for our customers. Keeping close to market demands we have been expanding our product range and continuously focus our efforts on product optimization and quality improvement.