Have little knowledge on this field so this might be a dumb question: How noticable or significant is that 12% difference? On the same thought, if I had one that had a 95% efficacy, how does it compare to the 87% one and the 99% one in terms of day-to-day or long term effects?
I’ve spent a good amount of time in this space, mostly WRT cleaning air in wood shops. One of the problems is that the 12% difference there is mostly the smallest particles, and those are the most harmful.
It’s hugely noticeable with smoke, for instance. Humans don’t have a great sense of smell, but we do very well with smoke. The difference between air with <1% leftover smoke and air with 13% leftover smoke is obvious to everyone.
