The danger situation has changed worldwide. It is not only since COVID-19 that you as a manufacturer, supplier or service provider in the security and defence sector have to consider all risks. Our scalable solution for air cleaning opens up possibilities for adapting your existing technologies to new biological and chemical hazard situations due to viruses, bacteria, spores, fungi and gases, including warfare agents (poison gases), and many more threats. The Calistair Technology is therefore the solution without alternative, in order to protect sensitive public areas and building services of the federal police or military – quickly and economically in the long-term.