In topics stretching as far as "respirator," it's easy for information to get lost, or not get read. Bit of a problem since respirators are quite consequential.
This sidebar may help partially solve this. Not viewable on mobile. Use this template on large articles only.
This sidebar is planned to be used on these large articles:
As for colors, particulate only colors should be used, since most links are about biological particulates:
Of course, purple HEPA isn't the exact one used in the standard, having been modified slightly for readability.
Issues should be discussed on the template talk page.