<p>An N95 respirator is a respiratory protective device designed to achieve a very close facial fit and very efficient filtration of airborne particles. When&nbsp;subjected to careful testing, the respirator blocks at least 95 percent of very small (0.3 micron) test particles.</p> <p>Further description:</p> <p>4 layers of filteration: Contactable skin layer, Secondary melt blown filter layer, First stage blown filter layer, Non-woven protective layer</p> <p>Folded design with an aluminium nasal bridge clamp, concave cover text and fine braided earband rope</p>