Protection from firm and fluid deleterious kinds of dust, smoke, and aerosols Particles may be fibrogenic – which means they irritate the respiratory system in the short term and can result in reduction of elasticity of pulmonary tissue in the long run. Total leakage may amount to a maximum of 11%. OEL transgression to the tenfold value. CE0082. EN149:2001+A1:2009. x20 per box. Minimum order x1 box.