FFP3 Cup-Shaped Valved Respirator Face Mask Easy to breathe with an exhalation valve CE approved by UNIVERSAL (NB no. 2163) Tested and certified according to EN 149:2001+A1:2009 Class: FFP3 NR * Small orders are acceptable. This valved respirator mask is certified and classified as FFP3 under EU standard EN 149:2001+A1:2009. EN 149:2001+A1:2009 - Respiratory protective devices - Filtering half masks to protect against particles. This European Standard specifies the minimum requirements for filtering half masks used as respiratory protective devices, specifically against particles, and the required laboratory and practical performance tests to assess masks' compliance. EN 149:2001+A1:2009 classified half masks into three types according to their filtering capacities: FFP1, FFP2 and FFP3. Respirators that meet the requirements of EN 149:2001+A1:2009 are designed to protect against solids, water-based aerosols, and oil-based aerosols. FFP3 masks have a minimum of 99% filtration percentage and maximum 2% leakage to the inside. They are mainly used in construction, agriculture, and by healthcare professionals against influenza viruses.