Flat 3-flap design filtering facepieces with P3 protection. The nose clip, placed internally between the filtering material's layers, adapts optimally to the profile of the nose and eyes, guaranteeing good visibility and maximum compatibility with glasses. The elastics are made of high-performance textile material. The addition of a backing layer allows the elastics to adhere to the filter body without the use of exposed metal parts. "Armor" external protective layer ensures the protection of the filtering material from dirt, dust and liquids, extending and preserving filtering efficiency. The addition of the innovative inner core ensures solidity to the filtering facepiece and high breathability, while maintaining low breathing resistance. It is available in 2 sizes (S and M/L), to fit many different profiles. The high-efficiency Eolo valve allows 30% of air passing through exhalation more than conventional valves. Available also with activated carbons and hygienic single pack.