The North 7580P100 Cartridge from Honeywell has P100 Filtration Grade that protects you from aerosols. You can attach it to your half masks as well full facepieces and it will stop any harmful pollutants to enter your body. Whether it is because of your professional demands or the need of the surrounding, if you are someone who comes in contact with any kind of particulate such as dusts, fumes, mists and fibres, then this the cartridge for you. You can wear it professional workspaces including welding and Wood working workshops, Construction sites, Mills and Factories.