- 3 layers of non-allergenic woven-non woven
- Size 90x180 mm
- Weight 3 g
- Tensile strenght extra-long ties: 80 cm
- Comfortable, shapeable nose clip
- Filtering efficiency > 99%
- Resistance to breath (MM H2O/cm2) < 2
- Does not contain glass fibres
- Does not contain latex
- Non sterile