Segre AB market the masks under the name CN Particle filter. These are known for Quality, Performance and Comfort. The production is automated and gives Segre AB high flexibility towards the customers needs. 90% of its ou......Segre AB market the masks under the name CN Particle filter. These are known for Quality, Performance and Comfort. The production is automated and gives Segre AB high flexibility towards the customers needs. 90% of its output goes on export to Europe, Middle East, Asia, Australia and South America. The masks are used in various industries around the world, such as for instance nuclear power plants, cement factories, metalworking companies, construction, farming, chemical, pharmaceutical manufacturing, various test laboratories etc. All CN Particle Filters are tested and approved in the Long Term Loading Test and most versions also passed the Dolomite Clogging Test.