AMD P2 Nano-Tech4 Layer Particulate Respirator (Box Of 50)P2 FFP2 NANO TECH Particulate Respirator features advanced filtering and design details that allow them to be worn comfortably for extended periods of time while maintaining their class leading functionality over standard melt blown filter respirators. Cutting edge nanofibre filters are incorporated into a face contouring design that create an effective barrier against potentially harmful airborne particles and aerosols such as dust, virus, and