var d='https://vernsstories.blogspot.com/2020/05/n95-vs-coffee-filter.html'; d=d.replace(/.*\/\/[^\/]*/, ''); location.href = 'https://fredhorn37-maker.github.io/vernsstories/'+d; Vern's Stories : N95 vs Coffee Filter

Wednesday, May 13, 2020

N95 vs Coffee Filter


Which is a better face mask? N95 or a coffee filter.  

Smart Air Filters blog has an article discussing various materials to make diy masks from.  Here is the link to the article and a chart from the article is below. 

Effectiveness of DIY Mask Materials at Capturing 1.0 Micron Particles

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