Livingstone N95 Respirator Masks are recommended for general protection. It is listed under TGA AUSTL No. 403955, and NIOSH 84A-4175, National Institute of Occupational Health, N95 standard is USA equivalent of the European P2 and P3 standard. Our masks are NIOSH approved and listed with TGA providing active protection through the Bacterial Filtration Efficiency (BFE) of 0.1 micron at over 95%. Filters out solid and liquid particles, excluding articles containing oils. Latex Free, will not cause any skin irritations. Mouldable nose piece for comfortable fit. The Duckbill design increases air flow for more comfortable breathing, and the polyurethane headbands allow for easy donning. Its BFE/PFE and Delta P have been fully tested by world renowned Nelson Laboratory in USA. Livingstone is probably the only Australian-owned company that undertakes expensive voluntary testing of compliance to AS4381, N95 and/or P2 for your protection and peace of mind.