VectorFog M20 Respirator Full Face MaskSuitable for protecting in medium gas density environments, the M20 Full Face Mask can be used to protect against most common pesticides as well as more toxic fumigants such as Methyl Bromide, Sulfuryl Flouride, Methyl Iodide and Phosphine gas (PH3). Eye protection Yes Canister type Isolated Environment Medium Gas Density Cartridge available Organic Gas Ammonia Sulphurous Halogen Hydrogen Sulphide Multi Purpose Breathe in resistance Minimum