The MM-4-AN Personal Protective Equipment is a respirator built from 5 layers with high-tech non-woven materials fabric, melt-blown and hot-air cotton, intended to protect the respiratory tract from drops and non-oily particles, oily particles and dust- The respirator model is without a valve. The mask in question is a Category III Personal Protective Device in accordance with Annex I of Regulation (EU) 2016/425. It complies with the requirements of the Harmonized Standard “EN 149:2001 +A 1:2009 - Respiratory protective devices - Dust filtering half-masks - Requirements, tests, marking”. Based on the standard, the respirator is category III and class FFP2 NR PPE. NR = not reusable. The mask can be used in environments with a lot of dust and dust produced by coal, iron, raw minerals, quartz or machines that process cotton, flour and other materials.