English term
bacterial filtration efficiency (BFE)
According to the brand, the filters were found to provide “higher than 95% Bacterial Filtration Efficiency,” meaning they successfully stop most particles from getting in or out. A pack of 10 filters costs $20. (People)
NSafe mask has 99.2% bacterial filtration efficiency (at 3 microns) and complies with ASTM standards of breathability and splash resistance, IIT-Delhi said in a statement. (Outlook India)
While the Closca Mask itself is a non-medical grade mask, it is made from high-grade materials. The filters have been made in Spain following official regulations (EN 14683: 2019 + AC: 2019 type 2). The mask itself has a 98% bacterial filtration efficiency (BFE). (Goosed)
May 17, 2020 23:58: changed "Kudoz queue" from "In queue" to "Public"
May 19, 2020 00:56: changed "Stage" from "Preparation" to "Submission"
May 22, 2020 01:56: changed "Stage" from "Submission" to "Selection"
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