Comfo Respirator Cartridge/Filter, Organic Vapors, P100, 6 per package

N95-Particulate Filter (95% filter efficiency level) effective against particulate aerosols free of oil

R95-Particulate Filter (95% filter efficiency level) effective against all particulate aerosols

P100-Particulate Filter (99.97% filter efficiency level) effective against all particulate aerosols