... filterThe concentration of the gas mg/lAntivirus time min≥Z-B-P3Grey with pink stripeComprehensive antivirushydrocyanic,acid arsenic hydride,phosgene,chloropicrin ... ,hydrogen phosphide,Diphosgene,Lewisite, mustard gas(CNCL)3.050 Z-B/CO-P3Gray and white with pink stripe Comprehensive antivirus and ... .1110 P-H2SBlueAgainst hydrogen sulfideHydrogen sulfide(H2S)7.1110 TF8D-B chemical safety mask