Scan Premier Valved Disposable Masks feature an exhalation valve to make breathing easier and an adjustable nose clip with a soft foam nosepiece giving a custom fitting. Complete with a non-irritating inner face piece for added comfort.FFP1 protection level, the mask is suitable for protecting from particles larger than 5 microns such as general dust and waterbased sprays and paint mist. Conforms to EN 149:2001A1:2009.