3 Disposable Valved Safety Face Mask Dust & Fume FFP3NR protects against non-toxic dusts, fibres and aqueous mists. Mouldable nose piece for user comfort The outer layer provides smooth lining with embossed fringe seal around the edges gives better feeling. Latex free synthetic rubber head strap. Contour design ensures compatibility of Safety glasses and goggles etc Valve reduces fogging of glasses or goggles. Protection Level FFP3 NR with exhalation Valve.