M2 Mask Vs N95
2 天前·Collection of WHO technical guidance on COVID-19, updated based on new scientific findings as the epidemic evolves. To protect himself from COVID-19 virus 3M N95 mask in black back ground. Ücretsiz Kargo - HastaneyeUygun - N95 Seviye - Sıvı Geçirmez. Complies with N95 and N99 M95 NIOSH standards.