Bacterial Filtration Efficiency (BFE)
Medical masks are challenged with aerosolized bacteria to determine the percent efficiency of filtration. Bacterial colonies are counted in a 6-stage cascade impactor after incubation.
Bacterial Filtration Efficiency (BFE)
Medical masks are challenged with aerosolized bacteria to determine the percent efficiency of filtration. Bacterial colonies are counted in a 6-stage cascade impactor after incubation.
