Soft foam nose seal for added comfort. Adjustable elastic straps. High quality construction. Dolomite clogging tested, gives better breathing resistance and for a longer time period. Comfortable face fit. Easy breathe exhale valve. Conforms to EN149:2001 + A1:2009 FFP3 NR DFor Hazard Type: Toxic dusts, fumes and water-based mists.Example: Working with hardwood, glass fibres and plastic (non PVC), metalwork and weldingThe moulded polythene nose bridge creates a stronger seal when compared with metal nose crimps, leading to consistently superior fit-test results