High Protection Respiratory Filter Mask FFP3 Dustproof Mask with CE Certification. CE Certified Protection: Meets EN149:2001+A1:2009 standard with CE0086 certification for high respiratory safety. FFP3 Filtration Efficiency: Provides superior dust and particle filtration with 4-ply non-woven fabric construction. Customizable Design: Offers full customization, minor customization, and flexible options based on samples or designs. Welded Valve Technology: Features a patented welded valve for enhanced breathability and comfort during use. Ergonomic Cup Shape: Cup-shaped design with special supporting fabric ensures a secure and comfortable fit. Complete Nose Clip: Includes a full PU nose pad and clip to prevent fogging and ensure a tight seal. OEM and ODM Services: Manufacturer supports both OEM and ODM services with 12 production lines available. Rapid Off-Season Delivery: Lead time within 15 workdays during off-peak seasons for quick order fulfillment.