... specifications for filter type gas mask»,its protective objects and gas life depend ... 2.Overview of canister type, property and useChemical, biological and radiological protectionTypeColorProtectiontypeSmokefilterAgainstobjectsTestagentTest concentration(mg/l ... , CICNASH, phosgeneChloride,C6H6CH3BrLewisitePH3Gas ,toxic smok and fume30MP1Green All –purposeprotectionnoHCN, CICNASH, phosgeneChloride, ...