This is fascinating! If MERV 13 filters 60% with each pass, can we put 9 in a room to increase the circulation/filtration and eventually get to 99.7% filtration

This is fascinating! If MERV 13 filters 60% with each pass, can we put 9 in a room to increase the circulation/filtration and eventually get to 99.7% filtration? Does it even work like this? Also, I found this article which I found informative. Judge it as you please: https://www.iso-aire.com/blog/what-are-the-differences-between-a-merv-13-and-a-hepa-filter https://www.iso-aire.com/blog/what-are-the-differences-betwe...