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