Check the listing for details. Air Stealth Half Mash Small/Medium. Condition: New. Listed at 34.96 USD. Air Stealth Half Mash Small/Medium, 170408, THIS SMALL/MEDIUM WILL FIT most women, children and men, MANUFACTURED FROM HIGH-GRADE HYPOALLERGENIC (latex-free, silicone-free and odor-free) materials, TWIN HEPAC PLEAT ENCAPSULATED designed filter, it offers 99.97% filtration of airborne particles and aerosols at 0.3 micron and above, N100 APF 10 x WEL, THE SINGLE PIECE HEAD AND NECK STRAP along with quick release combined with the lightweight thermoplastic elastomer face piece will allow the mask to quickly fit the contours of your face., Use the next generation of dust masks; Air Stealth masks are NIOSH N100 rated safety respirators. Designed with a comfortable low profile that fits under face shields. Two available sizes; the small/medium will fit most women, children and men. While.