Is there a detailed description of N95 masks online?

Here's a great explanation on all the different masks. N95 versus KN95, PM2.5 versus PM10 etc. https://frugear.com/blogs/informational/how-to-choose-the-be...

Here is a link covering how electrostatic filter media works.

http://www.kjfiltration.com/monolith-triboelectric-electrost...

I think most of the N95 masks use this stuff.