FFP2 NR RespiRaptor boasts a nanofiber filter with several million pores per square centimeter. It prevents viruses, bacteria, smog, and dust from entering the respiratory tract. RespiRaptor is a respirator capable of blocking harmful substances using a highly effective nano-filtration material. Excellent breathability - despite the high density of the nanofiber, the membrane is permeable to air and water, enhancing comfort and allowing easy breathing. Simple and comfortable to speak with. For better fit, use the plastic clip to fasten the straps behind the head, which is included in the package. Available in size M/L and two package options (3 pieces and 25 pieces).