Lightweight Moulded FFP3 Valved Respirator for protection against fine nuisance dust particles FFP3 Filtration - Provides >99% filtration of airborne particles at 0.3 micron and above Large Front Exhalation Valve - Reduces breathing resistance for greater comfort 4 Point Adjustable Straps Ð For better fit and increased user comfort Internal Face Fit Seal Ð For better fit and increased user comfort Adjustable Metal Nose Piece Ð For better fit around the nose Assigned Protection Factor APF20 x WEL