Tayhamn Cup-Shaped Dust Mask TH6210. It is suitable for protecting against non-oil-based particulates (such as dust) generated during processes including grinding, sanding, sweeping, sawing, bagging, as well as the processing of minerals, coal, iron ore, flour, metals, wood, pollen and certain other substances. It also protects against liquid or non-oil-based particulates generated by spraying, which do not emit oil-based aerosols or vapors.