This box contains 10 Mei Xin MX-2016V FFP3 respirators designed for general purpose dust protection.The masks feature a breathing valve for comfort and are certified to EN 149 standards.They are explicitly rated as NR (Non-Reusable) and designed for high-filtration industrial or occupational use.For further details, I can look up the specific certifications for these masks or compare them to other models if you share a clearer photo of the side panel.