Comparison of Mask Ratings, Standards, and Filtration Effectiveness
Mask standards can be confusing: N95, KN95, FFP1, FFP2, P2, or surgical mask? This quick run-down of mask specifications covers mask types, mask ratings, and their effectiveness at filtering particles. First off, let’s start with mask types (or certification types). In general, there are 3 types of commonly used, disposable …