Using technology developed for the US military to fight germs, the professional air purifier range is unique in effectively combating all types of pollutants. The system has been proven to capture 99.99% of particles as small as 0.007 micrometers. The highly resistant gas and odour filter neutralises most gases. The patented DFS (Disinfecting Filtration System) technology removes 94-100% of harmful viruses, moulds and bacteria, giving us clean, healthy air. This technology is used in hospitals, government buildings and military installations.