* H901EN particulate filter is CE-certified respirator* It features FFP2 level, larger size, soft nose foam, and advanced filter media to help ensure good air permeability* Comfort and secure seal. It provides users with a good solution for safe and comfortable particles protection* Prevent both oil and non-oil particles and the filtering efficiency exceeds 94%* The nose clip is made of high-strength plastic composite metal, and its bending resistance capacity is enhanced significantly compared with the metal nose clip* The advanced sealing material is used for the nose pad, characterized by high fitness, softness and comfort; it can relieve the pressure on the nose bridge and make you feel more comfortable* The elastic headband can help to relieve the pressure from the head; and it is suitable for long hours of use* The big size offers much breathing space inside, more comfort* NR = Non reusable