Different FFP2 types of masks use different filter materials. On the one hand, the filtering effect is related to the particle size of the particles, and it is also affected by whether the particles contain oil.
As a rule of thumb, FFP2NR Disposable protective mask are great when you need surgical and respiratory protection. The best feature of these ffp2 masks is that they provide complete protection against allergens and other harmful gases which can damage the lungs or other body parts.
When you start wearing the mask, you will find that there are small strips around the nose and chin area which allow you to get a better grip on it as well as feel some resistance to your skin. Also, there are small vents at the sides which allow proper ventilation for the worker and prevent him/her from getting dust and other harmful particles stuck in their face and respiratory passages. However, there are still many other indications which you can find on the FFP2NR Respiratory protective mask but you will have to confirm from the manufacturer before purchasing one..).
