Product name,K310 Product introduction Fabric,PP non-woven fabric Form fitting design; Soft non-irritating to skin Static dealt filter lays, efficiently filtrate & absorb industrial toxic dusts, Fumes, mists, gases and vapors against silicosis. Soft nose foam and adjustable nosepiece ensures custom shape and increase the workers' comfort and acceptance Excellent water repellent and air permeability Fringe seal avoids open layer around the edges Maintenance/cleaning free, convenient to use Recommended applications,Farm, building, Mining, textile, Grinding, Pharmacy, hospitals, laboratories, Hardware, working with fiberglass, cement