Anti-aerosol Filter 230 A2-p3 Rd Biostop Compliant With The En 14387 Standard. The Filter Paper Marked By The Biostop Brand Has A Fungicidal And Bactericidal Treatment Which Is Particularly Efficient In The Case Of Biological Earosol. Consisting Of A Gas Filter And An Aerosol Filter And Protects Against Both Gaseous And Particle Contaminants

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