Enjoy reliable protection and ultimate comfort with the FFP3 Moulded Masks with Valve One Size. An adjustable latex free elasticated strap helps the masks provide a snug fit for maximum performance while a contoured design ensures compatibility with glasses/goggles. Featuring a polypropylene outer layer for a smooth lining and an exhalation valve to reduce heat and moisture, the FFP3 masks provide a powerful defense against medium to high levels of dust.