bn:25656020n
Noun Concept
Categories: 1956 introductions, Respirators, Articles containing potentially dated statements from 2017, All articles containing potentially dated statements, Articles with short description
EN
Mechanical filter  filtering-facepiece respirator  Filtering face piece  Filtering face pieces  filtering facepiece
EN
Mechanical filters are a class of filter for air-purifying respirators that mechanically stops particulates from reaching the wearer's nose and mouth. Wikipedia
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EN
Mechanical filters are a class of filter for air-purifying respirators that mechanically stops particulates from reaching the wearer's nose and mouth. Wikipedia
A wearable filter Wikipedia Disambiguation