MIRA Safety ParticleMax P3 Virus Filters, 6 Pack, White, None

40 mm x 1/7” NATO filter standard (EN 148-1:1999) threading P3-certified protection (according to EN 143:2000 standards) filters out 99.9999+% of biothreats (not suitable for other CBRN threats) Lightweight (100g) construction Utilizes some of the highest quality ULPA filter construction that works on particles as small as 0.2 microns Prevents aerosol and airborne transmission of viral and bacterial threats 20-year shelf life for easy long-term storage Hydrophobic filter paper is ideal for decontamination showers