- White FFP2 NR D masks, pack of 50 units, ideal for respiratory protection - CE 2797 certified by BSI, comply with European regulations and validity verifiable by QR code - Bacterial filtration efficiency (BFE) higher than 99.5% for maximum safety - Large, comfortable, hypoallergenic elastic bands that do not irritate the ears - Adjustable hook allows you to customize the fit and improve comfort - Hypoallergenic adhesive pad prevents bubbles and improves fit on sensitive skin - 5 layers of protection and double filter, manufactured in a clean room under strict controls - Individually sealed sachets for hygiene and portability - Recommended for environments that require high protection and prolonged comfort