Economic, Simple and effective. FFP2. unique design and shape: limited number of references. pre-formed shell: rigid half-mask: the mask shape is maintained throughout use, for increased comfort. internal volume: facilitated communication, no pressure on the face for increased comfort. inner layer, ultra-light and ultra-soft: soft and pleasant touch to the skin to avoid irritation and increase comfort, easy breathing for greater acceptance over time. upper preformed section near the nasal outline: quick and easy adjustment, highly effective and safe, fits all faces. moving nasal element: compatible with goggles, excellent field of vision. *NR = Non reusable