CM Chaomei 6003-2 FFP2 NR Particle Filtering Half Masks containing 50 disposable protective face pieces.Product SpecificationsBrand / Manufacturer: CM Chaomei Model Number: 6003-2Protection Class: FFP2 NR (Non-reusable filter protecting against dust, smoke, and aerosols, filtering at least 94% of airborne particles)Quantity: 50 pieces per boxCertifications: CE 2834, compliant with EN 149:2001+A1:2009 standards (EU 2016/425