That’s a fraction of the price we’ve observed elsewhere — some cost up to $ten for each mask. When these are typically not the same masks as most popular within a Health care location (that’s an N95 mask), they provide similar defense — filtering out about 95% of contaminants. HTC http://remediocasero27383.blogzag.com/20820601/the-smart-trick-of-surgical-mask-that-no-one-is-discussing