DATA SHEET protection Lightweight and easy to store mask FFP2 NR-D Designed with low profile. Being light, it provides greater comfort for work. Modern technology for sewing by means of ultrasonic welding, avoids needle holes in the mask. High technology in medium and load filters electrostatic to prevent lint from entering the filter. One-way exhalation valve to reduce C02 and humidity, and facilitates communication. The sewn on the outside and without metal parts, offers a better fit without pressure. For greater hygiene, individually packaged.